diff --git a/examples/boilerplate-react-buildless/index.html b/examples/boilerplate-react-buildless/index.html
index 88bb7d83..6e6a62b4 100644
--- a/examples/boilerplate-react-buildless/index.html
+++ b/examples/boilerplate-react-buildless/index.html
@@ -28,7 +28,7 @@
       import { createRoot } from 'https://esm.sh/react-dom@18/client?dev';
       import * as zebar from 'https://esm.sh/zebar@2';
 
-      const providers = await zebar.createProviderGroup({
+      const providers = zebar.createProviderGroup({
         cpu: { type: 'cpu' },
         battery: { type: 'battery' },
         memory: { type: 'memory' },
@@ -46,11 +46,13 @@
 
         return (
           <div className="app">
-            <div className="chip">CPU usage: {output.cpu.usage}</div>
+            <div className="chip">CPU usage: {output.cpu?.usage}</div>
             <div className="chip">
               Battery charge: {output.battery?.chargePercent}
             </div>
-            <div className="chip">Memory usage: {output.memory.usage}</div>
+            <div className="chip">
+              Memory usage: {output.memory?.usage}
+            </div>
             <div className="chip">
               Weather temp: {output.weather?.celsiusTemp}
             </div>
diff --git a/examples/boilerplate-solid-ts/src/index.tsx b/examples/boilerplate-solid-ts/src/index.tsx
index 097a3786..f86d90b5 100644
--- a/examples/boilerplate-solid-ts/src/index.tsx
+++ b/examples/boilerplate-solid-ts/src/index.tsx
@@ -4,12 +4,11 @@ import { render } from 'solid-js/web';
 import { createStore } from 'solid-js/store';
 import * as zebar from 'zebar';
 
-const providers = await zebar.createProviderGroup({
+const providers = zebar.createProviderGroup({
   cpu: { type: 'cpu' },
   battery: { type: 'battery' },
   memory: { type: 'memory' },
   weather: { type: 'weather' },
-  keyboard: { type: 'keyboard' },
 });
 
 render(() => <App />, document.getElementById('root')!);
@@ -21,12 +20,11 @@ function App() {
 
   return (
     <div class="app">
-      <div class="chip">Keyboard: {output.keyboard.layout}</div>
-      <div class="chip">CPU usage: {output.cpu.usage}</div>
+      <div class="chip">CPU usage: {output.cpu?.usage}</div>
       <div class="chip">
         Battery charge: {output.battery?.chargePercent}
       </div>
-      <div class="chip">Memory usage: {output.memory.usage}</div>
+      <div class="chip">Memory usage: {output.memory?.usage}</div>
       <div class="chip">Weather temp: {output.weather?.celsiusTemp}</div>
     </div>
   );
diff --git a/examples/starter/vanilla.html b/examples/starter/vanilla.html
index 1c731f10..6fc2cf8c 100644
--- a/examples/starter/vanilla.html
+++ b/examples/starter/vanilla.html
@@ -28,7 +28,7 @@
       import { createRoot } from 'https://esm.sh/react-dom@18/client?dev';
       import * as zebar from 'https://esm.sh/zebar@2';
 
-      const providers = await zebar.createProviderGroup({
+      const providers = zebar.createProviderGroup({
         network: { type: 'network' },
         cpu: { type: 'cpu' },
         date: { type: 'date', formatting: 'EEE d MMM t' },
@@ -47,23 +47,23 @@
         }, []);
 
         // Get icon to show for current network status.
-        function getNetworkIcon() {
-          switch (output.network.defaultInterface?.type) {
+        function getNetworkIcon(networkOutput) {
+          switch (networkOutput.defaultInterface?.type) {
             case 'ethernet':
               return <i className="nf nf-md-ethernet_cable"></i>;
             case 'wifi':
-              if (output.network.defaultGateway?.signalStrength >= 80) {
+              if (networkOutput.defaultGateway?.signalStrength >= 80) {
                 return <i className="nf nf-md-wifi_strength_4"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 65
+                networkOutput.defaultGateway?.signalStrength >= 65
               ) {
                 return <i className="nf nf-md-wifi_strength_3"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 40
+                networkOutput.defaultGateway?.signalStrength >= 40
               ) {
                 return <i className="nf nf-md-wifi_strength_2"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 25
+                networkOutput.defaultGateway?.signalStrength >= 25
               ) {
                 return <i className="nf nf-md-wifi_strength_1"></i>;
               } else {
@@ -77,21 +77,21 @@
         }
 
         // Get icon to show for how much of the battery is charged.
-        function getBatteryIcon() {
-          if (output.battery.chargePercent > 90)
+        function getBatteryIcon(batteryOutput) {
+          if (batteryOutput.chargePercent > 90)
             return <i className="nf nf-fa-battery_4"></i>;
-          if (output.battery.chargePercent > 70)
+          if (batteryOutput.chargePercent > 70)
             return <i className="nf nf-fa-battery_3"></i>;
-          if (output.battery.chargePercent > 40)
+          if (batteryOutput.chargePercent > 40)
             return <i className="nf nf-fa-battery_2"></i>;
-          if (output.battery.chargePercent > 20)
+          if (batteryOutput.chargePercent > 20)
             return <i className="nf nf-fa-battery_1"></i>;
           return <i className="nf nf-fa-battery_0"></i>;
         }
 
         // Get icon to show for current weather status.
-        function getWeatherIcon() {
-          switch (output.weather.status) {
+        function getWeatherIcon(weatherOutput) {
+          switch (weatherOutput.status) {
             case 'clear_day':
               return <i className="nf nf-weather-day_sunny"></i>;
             case 'clear_night':
@@ -125,31 +125,35 @@
               <i className="logo nf nf-fa-windows"></i>
             </div>
 
-            <div className="center">{output.date.formatted}</div>
+            <div className="center">{output.date?.formatted}</div>
 
             <div className="right">
               {output.network && (
                 <div className="network">
-                  {getNetworkIcon()}
+                  {getNetworkIcon(output.network)}
                   {output.network.defaultGateway?.ssid}
                 </div>
               )}
 
-              <div className="memory">
-                <i className="nf nf-fae-chip"></i>
-                {Math.round(output.memory.usage)}%
-              </div>
+              {output.memory && (
+                <div className="memory">
+                  <i className="nf nf-fae-chip"></i>
+                  {Math.round(output.memory.usage)}%
+                </div>
+              )}
 
-              <div className="cpu">
-                <i className="nf nf-oct-cpu"></i>
+              {output.cpu && (
+                <div className="cpu">
+                  <i className="nf nf-oct-cpu"></i>
 
-                {/* Change the text color if the CPU usage is high. */}
-                <span
-                  className={output.cpu.usage > 85 ? 'high-usage' : ''}
-                >
-                  {Math.round(output.cpu.usage)}%
-                </span>
-              </div>
+                  {/* Change the text color if the CPU usage is high. */}
+                  <span
+                    className={output.cpu.usage > 85 ? 'high-usage' : ''}
+                  >
+                    {Math.round(output.cpu.usage)}%
+                  </span>
+                </div>
+              )}
 
               {output.battery && (
                 <div className="battery">
@@ -157,14 +161,14 @@
                   {output.battery.isCharging && (
                     <i className="nf nf-md-power_plug charging-icon"></i>
                   )}
-                  {getBatteryIcon()}
+                  {getBatteryIcon(output.battery)}
                   {Math.round(output.battery.chargePercent)}%
                 </div>
               )}
 
               {output.weather && (
                 <div className="weather">
-                  {getWeatherIcon()}
+                  {getWeatherIcon(output.weather)}
                   {Math.round(output.weather.celsiusTemp)}°C
                 </div>
               )}
diff --git a/examples/starter/with-glazewm.html b/examples/starter/with-glazewm.html
index c8ac35ba..b3b5d6c5 100644
--- a/examples/starter/with-glazewm.html
+++ b/examples/starter/with-glazewm.html
@@ -28,7 +28,7 @@
       import { createRoot } from 'https://esm.sh/react-dom@18/client?dev';
       import * as zebar from 'https://esm.sh/zebar@2';
 
-      const providers = await zebar.createProviderGroup({
+      const providers = zebar.createProviderGroup({
         network: { type: 'network' },
         glazewm: { type: 'glazewm' },
         cpu: { type: 'cpu' },
@@ -48,23 +48,23 @@
         }, []);
 
         // Get icon to show for current network status.
-        function getNetworkIcon() {
-          switch (output.network.defaultInterface?.type) {
+        function getNetworkIcon(networkOutput) {
+          switch (networkOutput.defaultInterface?.type) {
             case 'ethernet':
               return <i className="nf nf-md-ethernet_cable"></i>;
             case 'wifi':
-              if (output.network.defaultGateway?.signalStrength >= 80) {
+              if (networkOutput.defaultGateway?.signalStrength >= 80) {
                 return <i className="nf nf-md-wifi_strength_4"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 65
+                networkOutput.defaultGateway?.signalStrength >= 65
               ) {
                 return <i className="nf nf-md-wifi_strength_3"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 40
+                networkOutput.defaultGateway?.signalStrength >= 40
               ) {
                 return <i className="nf nf-md-wifi_strength_2"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 25
+                networkOutput.defaultGateway?.signalStrength >= 25
               ) {
                 return <i className="nf nf-md-wifi_strength_1"></i>;
               } else {
@@ -78,21 +78,21 @@
         }
 
         // Get icon to show for how much of the battery is charged.
-        function getBatteryIcon() {
-          if (output.battery.chargePercent > 90)
+        function getBatteryIcon(batteryOutput) {
+          if (batteryOutput.chargePercent > 90)
             return <i className="nf nf-fa-battery_4"></i>;
-          if (output.battery.chargePercent > 70)
+          if (batteryOutput.chargePercent > 70)
             return <i className="nf nf-fa-battery_3"></i>;
-          if (output.battery.chargePercent > 40)
+          if (batteryOutput.chargePercent > 40)
             return <i className="nf nf-fa-battery_2"></i>;
-          if (output.battery.chargePercent > 20)
+          if (batteryOutput.chargePercent > 20)
             return <i className="nf nf-fa-battery_1"></i>;
           return <i className="nf nf-fa-battery_0"></i>;
         }
 
         // Get icon to show for current weather status.
-        function getWeatherIcon() {
-          switch (output.weather.status) {
+        function getWeatherIcon(weatherOutput) {
+          switch (weatherOutput.status) {
             case 'clear_day':
               return <i className="nf nf-weather-day_sunny"></i>;
             case 'clear_night':
@@ -143,7 +143,7 @@
               )}
             </div>
 
-            <div className="center">{output.date.formatted}</div>
+            <div className="center">{output.date?.formatted}</div>
 
             <div className="right">
               {output.glazewm && (
@@ -160,7 +160,7 @@
                   <button
                     className={`tiling-direction nf ${output.glazewm.tilingDirection === 'horizontal' ? 'nf-md-swap_horizontal' : 'nf-md-swap_vertical'}`}
                     onClick={() =>
-                      output.glazewm.runCommand(`toggle-tiling-direction`)
+                      output.glazewm.runCommand('toggle-tiling-direction')
                     }
                   ></button>
                 </>
@@ -168,26 +168,30 @@
 
               {output.network && (
                 <div className="network">
-                  {getNetworkIcon()}
+                  {getNetworkIcon(output.network)}
                   {output.network.defaultGateway?.ssid}
                 </div>
               )}
 
-              <div className="memory">
-                <i className="nf nf-fae-chip"></i>
-                {Math.round(output.memory.usage)}%
-              </div>
+              {output.memory && (
+                <div className="memory">
+                  <i className="nf nf-fae-chip"></i>
+                  {Math.round(output.memory.usage)}%
+                </div>
+              )}
 
-              <div className="cpu">
-                <i className="nf nf-oct-cpu"></i>
+              {output.cpu && (
+                <div className="cpu">
+                  <i className="nf nf-oct-cpu"></i>
 
-                {/* Change the text color if the CPU usage is high. */}
-                <span
-                  className={output.cpu.usage > 85 ? 'high-usage' : ''}
-                >
-                  {Math.round(output.cpu.usage)}%
-                </span>
-              </div>
+                  {/* Change the text color if the CPU usage is high. */}
+                  <span
+                    className={output.cpu.usage > 85 ? 'high-usage' : ''}
+                  >
+                    {Math.round(output.cpu.usage)}%
+                  </span>
+                </div>
+              )}
 
               {output.battery && (
                 <div className="battery">
@@ -195,14 +199,14 @@
                   {output.battery.isCharging && (
                     <i className="nf nf-md-power_plug charging-icon"></i>
                   )}
-                  {getBatteryIcon()}
+                  {getBatteryIcon(output.battery)}
                   {Math.round(output.battery.chargePercent)}%
                 </div>
               )}
 
               {output.weather && (
                 <div className="weather">
-                  {getWeatherIcon()}
+                  {getWeatherIcon(output.weather)}
                   {Math.round(output.weather.celsiusTemp)}°C
                 </div>
               )}
diff --git a/examples/starter/with-komorebi.html b/examples/starter/with-komorebi.html
index 3aa9b8fb..8473794e 100644
--- a/examples/starter/with-komorebi.html
+++ b/examples/starter/with-komorebi.html
@@ -28,7 +28,7 @@
       import { createRoot } from 'https://esm.sh/react-dom@18/client?dev';
       import * as zebar from 'https://esm.sh/zebar@2';
 
-      const providers = await zebar.createProviderGroup({
+      const providers = zebar.createProviderGroup({
         network: { type: 'network' },
         komorebi: { type: 'komorebi' },
         cpu: { type: 'cpu' },
@@ -48,23 +48,23 @@
         }, []);
 
         // Get icon to show for current network status.
-        function getNetworkIcon() {
-          switch (output.network.defaultInterface?.type) {
+        function getNetworkIcon(networkOutput) {
+          switch (networkOutput.defaultInterface?.type) {
             case 'ethernet':
               return <i className="nf nf-md-ethernet_cable"></i>;
             case 'wifi':
-              if (output.network.defaultGateway?.signalStrength >= 80) {
+              if (networkOutput.defaultGateway?.signalStrength >= 80) {
                 return <i className="nf nf-md-wifi_strength_4"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 65
+                networkOutput.defaultGateway?.signalStrength >= 65
               ) {
                 return <i className="nf nf-md-wifi_strength_3"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 40
+                networkOutput.defaultGateway?.signalStrength >= 40
               ) {
                 return <i className="nf nf-md-wifi_strength_2"></i>;
               } else if (
-                output.network.defaultGateway?.signalStrength >= 25
+                networkOutput.defaultGateway?.signalStrength >= 25
               ) {
                 return <i className="nf nf-md-wifi_strength_1"></i>;
               } else {
@@ -78,21 +78,21 @@
         }
 
         // Get icon to show for how much of the battery is charged.
-        function getBatteryIcon() {
-          if (output.battery.chargePercent > 90)
+        function getBatteryIcon(batteryOutput) {
+          if (batteryOutput.chargePercent > 90)
             return <i className="nf nf-fa-battery_4"></i>;
-          if (output.battery.chargePercent > 70)
+          if (batteryOutput.chargePercent > 70)
             return <i className="nf nf-fa-battery_3"></i>;
-          if (output.battery.chargePercent > 40)
+          if (batteryOutput.chargePercent > 40)
             return <i className="nf nf-fa-battery_2"></i>;
-          if (output.battery.chargePercent > 20)
+          if (batteryOutput.chargePercent > 20)
             return <i className="nf nf-fa-battery_1"></i>;
           return <i className="nf nf-fa-battery_0"></i>;
         }
 
         // Get icon to show for current weather status.
-        function getWeatherIcon() {
-          switch (output.weather.status) {
+        function getWeatherIcon(weatherOutput) {
+          switch (weatherOutput.status) {
             case 'clear_day':
               return <i className="nf nf-weather-day_sunny"></i>;
             case 'clear_night':
@@ -139,31 +139,35 @@
               )}
             </div>
 
-            <div className="center">{output.date.formatted}</div>
+            <div className="center">{output.date?.formatted}</div>
 
             <div className="right">
               {output.network && (
                 <div className="network">
-                  {getNetworkIcon()}
+                  {getNetworkIcon(output.network)}
                   {output.network.defaultGateway?.ssid}
                 </div>
               )}
 
-              <div className="memory">
-                <i className="nf nf-fae-chip"></i>
-                {Math.round(output.memory.usage)}%
-              </div>
+              {output.memory && (
+                <div className="memory">
+                  <i className="nf nf-fae-chip"></i>
+                  {Math.round(output.memory.usage)}%
+                </div>
+              )}
 
-              <div className="cpu">
-                <i className="nf nf-oct-cpu"></i>
+              {output.cpu && (
+                <div className="cpu">
+                  <i className="nf nf-oct-cpu"></i>
 
-                {/* Change the text color if the CPU usage is high. */}
-                <span
-                  className={output.cpu.usage > 85 ? 'high-usage' : ''}
-                >
-                  {Math.round(output.cpu.usage)}%
-                </span>
-              </div>
+                  {/* Change the text color if the CPU usage is high. */}
+                  <span
+                    className={output.cpu.usage > 85 ? 'high-usage' : ''}
+                  >
+                    {Math.round(output.cpu.usage)}%
+                  </span>
+                </div>
+              )}
 
               {output.battery && (
                 <div className="battery">
@@ -171,14 +175,14 @@
                   {output.battery.isCharging && (
                     <i className="nf nf-md-power_plug charging-icon"></i>
                   )}
-                  {getBatteryIcon()}
+                  {getBatteryIcon(output.battery)}
                   {Math.round(output.battery.chargePercent)}%
                 </div>
               )}
 
               {output.weather && (
                 <div className="weather">
-                  {getWeatherIcon()}
+                  {getWeatherIcon(output.weather)}
                   {Math.round(output.weather.celsiusTemp)}°C
                 </div>
               )}
diff --git a/packages/client-api/src/providers/battery/create-battery-provider.ts b/packages/client-api/src/providers/battery/create-battery-provider.ts
index d1b43807..73a676b3 100644
--- a/packages/client-api/src/providers/battery/create-battery-provider.ts
+++ b/packages/client-api/src/providers/battery/create-battery-provider.ts
@@ -37,9 +37,9 @@ export interface BatteryOutput {
   voltage: number | null;
 }
 
-export async function createBatteryProvider(
+export function createBatteryProvider(
   config: BatteryProviderConfig,
-): Promise<BatteryProvider> {
+): BatteryProvider {
   const mergedConfig = batteryProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/cpu/create-cpu-provider.ts b/packages/client-api/src/providers/cpu/create-cpu-provider.ts
index 9716e2bb..d9377fde 100644
--- a/packages/client-api/src/providers/cpu/create-cpu-provider.ts
+++ b/packages/client-api/src/providers/cpu/create-cpu-provider.ts
@@ -30,9 +30,7 @@ export interface CpuOutput {
   vendor: string;
 }
 
-export async function createCpuProvider(
-  config: CpuProviderConfig,
-): Promise<CpuProvider> {
+export function createCpuProvider(config: CpuProviderConfig): CpuProvider {
   const mergedConfig = cpuProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/create-base-provider.ts b/packages/client-api/src/providers/create-base-provider.ts
index 59a2a3af..b31997cd 100644
--- a/packages/client-api/src/providers/create-base-provider.ts
+++ b/packages/client-api/src/providers/create-base-provider.ts
@@ -1,4 +1,3 @@
-import { Deferred } from '~/utils';
 import type { ProviderConfig } from './create-provider';
 
 export interface Provider<TConfig, TOutput> {
@@ -52,6 +51,7 @@ export interface Provider<TConfig, TOutput> {
 }
 
 type UnlistenFn = () => void | Promise<void>;
+// type UnlistenFn = () => Promise<void>;
 
 /**
  * Fetches next output or error from the provider.
@@ -59,15 +59,15 @@ type UnlistenFn = () => void | Promise<void>;
 type ProviderFetcher<T> = (queue: {
   output: (nextOutput: T) => void;
   error: (nextError: string) => void;
-}) => UnlistenFn | Promise<UnlistenFn>;
+}) => Promise<UnlistenFn>;
 
-export async function createBaseProvider<
+export function createBaseProvider<
   TConfig extends ProviderConfig,
   TOutput,
 >(
   config: TConfig,
   fetcher: ProviderFetcher<TOutput>,
-): Promise<Provider<TConfig, TOutput>> {
+): Provider<TConfig, TOutput> {
   const outputListeners = new Set<(output: TOutput) => void>();
   const errorListeners = new Set<(error: string) => void>();
 
@@ -77,28 +77,19 @@ export async function createBaseProvider<
     hasError: false,
   };
 
-  let unlisten: UnlistenFn | null = await startFetcher();
+  let unlisten: Promise<UnlistenFn> | null = startFetcher();
 
-  async function startFetcher() {
-    const hasFirstEmit = new Deferred<void>();
-
-    const unlisten = await fetcher({
+  function startFetcher() {
+    return fetcher({
       output: output => {
         latestEmission = { output, error: null, hasError: false };
         outputListeners.forEach(listener => listener(output));
-        hasFirstEmit.resolve();
       },
       error: error => {
         latestEmission = { output: null, error, hasError: true };
         errorListeners.forEach(listener => listener(error));
-        hasFirstEmit.resolve();
       },
     });
-
-    // Wait for the first emission.
-    await hasFirstEmit.promise;
-
-    return unlisten;
   }
 
   return {
@@ -114,17 +105,22 @@ export async function createBaseProvider<
     config,
     restart: async () => {
       if (unlisten) {
-        await unlisten();
+        await (
+          await unlisten
+        )();
       }
 
-      await startFetcher();
+      unlisten = startFetcher();
     },
     stop: async () => {
       outputListeners.clear();
       errorListeners.clear();
 
       if (unlisten) {
-        await unlisten();
+        await (
+          await unlisten
+        )();
+        unlisten = null;
       }
     },
     onOutput: callback => {
diff --git a/packages/client-api/src/providers/create-provider-group.ts b/packages/client-api/src/providers/create-provider-group.ts
index c3eda5d3..05296c04 100644
--- a/packages/client-api/src/providers/create-provider-group.ts
+++ b/packages/client-api/src/providers/create-provider-group.ts
@@ -83,9 +83,9 @@ export type ProviderGroup<T extends ProviderGroupConfig> = {
  * functions and variables that can change over time. Alternatively, a
  * single provider can be created using {@link createProvider}.
  */
-export async function createProviderGroup<T extends ProviderGroupConfig>(
+export function createProviderGroup<T extends ProviderGroupConfig>(
   configMap: T,
-): Promise<ProviderGroup<T>> {
+): ProviderGroup<T> {
   const outputListeners = new Set<
     (outputMap: ProviderGroup<T>['outputMap']) => void
   >();
@@ -94,15 +94,17 @@ export async function createProviderGroup<T extends ProviderGroupConfig>(
     (errorMap: ProviderGroup<T>['errorMap']) => void
   >();
 
-  const providerMap = await createProviderMap(configMap);
+  const providerMap = createProviderMap(configMap);
 
-  let outputMap = {} as ProviderGroup<T>['outputMap'];
-  let errorMap = {} as ProviderGroup<T>['errorMap'];
+  let outputMap = Object.fromEntries(
+    Object.keys(providerMap).map(name => [name, null]),
+  ) as ProviderGroup<T>['outputMap'];
 
-  for (const [name, provider] of Object.entries(providerMap)) {
-    outputMap = { ...outputMap, [name]: provider.output };
-    errorMap = { ...errorMap, [name]: provider.error };
+  let errorMap = Object.fromEntries(
+    Object.keys(providerMap).map(name => [name, null]),
+  ) as ProviderGroup<T>['errorMap'];
 
+  for (const [name, provider] of Object.entries(providerMap)) {
     provider.onOutput(() => {
       outputMap = { ...outputMap, [name]: provider.output };
       errorMap = { ...errorMap, [name]: null };
@@ -150,14 +152,14 @@ export async function createProviderGroup<T extends ProviderGroupConfig>(
   };
 }
 
-async function createProviderMap<T extends ProviderGroupConfig>(
-  configMap: T,
-) {
-  const providerEntries = await Promise.all([
-    ...Object.entries(configMap).map(async ([key, value]) => {
-      return [key, await createProvider(value)] as const;
-    }),
-  ]);
-
-  return Object.fromEntries(providerEntries) as ProviderGroup<T>['raw'];
+/**
+ * Creates a map of names to provider instances.
+ */
+function createProviderMap<T extends ProviderGroupConfig>(configMap: T) {
+  return Object.fromEntries(
+    Object.entries(configMap).map(([name, config]) => [
+      name,
+      createProvider(config),
+    ]),
+  ) as ProviderGroup<T>['raw'];
 }
diff --git a/packages/client-api/src/providers/create-provider.ts b/packages/client-api/src/providers/create-provider.ts
index 50592d92..b1ea4304 100644
--- a/packages/client-api/src/providers/create-provider.ts
+++ b/packages/client-api/src/providers/create-provider.ts
@@ -93,16 +93,15 @@ export type ProviderOutput = ProviderMap[keyof ProviderMap]['output'];
  * that can change over time. Alternatively, multiple providers can be
  * created using {@link createProviderGroup}.
  *
- * Waits until the provider has emitted either its first output or first
- * error. The provider will continue to output until its `stop` function is
+ * The provider will continue to output until its `stop` function is
  * called.
  *
- * @throws If the provider config is invalid. *Does not throw* if the
- * provider's first emission is an error.
+ * @throws If the provider config is invalid. Errors are emitted via the
+ * `onError` method.
  */
 export function createProvider<T extends ProviderConfig>(
   config: T,
-): Promise<ProviderMap[T['type']]> {
+): ProviderMap[T['type']] {
   switch (config.type) {
     case 'battery':
       return createBatteryProvider(config) as any;
diff --git a/packages/client-api/src/providers/date/create-date-provider.ts b/packages/client-api/src/providers/date/create-date-provider.ts
index 063614bd..3c71f799 100644
--- a/packages/client-api/src/providers/date/create-date-provider.ts
+++ b/packages/client-api/src/providers/date/create-date-provider.ts
@@ -80,12 +80,12 @@ export interface DateOutput {
   iso: string;
 }
 
-export async function createDateProvider(
+export function createDateProvider(
   config: DateProviderConfig,
-): Promise<DateProvider> {
+): DateProvider {
   const mergedConfig = dateProviderConfigSchema.parse(config);
 
-  return createBaseProvider(mergedConfig, queue => {
+  return createBaseProvider(mergedConfig, async queue => {
     queue.output(getDateValue());
 
     const interval = setInterval(
diff --git a/packages/client-api/src/providers/glazewm/create-glazewm-provider.ts b/packages/client-api/src/providers/glazewm/create-glazewm-provider.ts
index 1cf87e9a..28495974 100644
--- a/packages/client-api/src/providers/glazewm/create-glazewm-provider.ts
+++ b/packages/client-api/src/providers/glazewm/create-glazewm-provider.ts
@@ -103,9 +103,9 @@ export interface GlazeWmOutput {
   ): Promise<RunCommandResponse>;
 }
 
-export async function createGlazeWmProvider(
+export function createGlazeWmProvider(
   config: GlazeWmProviderConfig,
-): Promise<GlazeWmProvider> {
+): GlazeWmProvider {
   const mergedConfig = glazeWmProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/host/create-host-provider.ts b/packages/client-api/src/providers/host/create-host-provider.ts
index 77a1a21b..82a5689b 100644
--- a/packages/client-api/src/providers/host/create-host-provider.ts
+++ b/packages/client-api/src/providers/host/create-host-provider.ts
@@ -31,9 +31,9 @@ export interface HostOutput {
   uptime: number;
 }
 
-export async function createHostProvider(
+export function createHostProvider(
   config: HostProviderConfig,
-): Promise<HostProvider> {
+): HostProvider {
   const mergedConfig = hostProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/ip/create-ip-provider.ts b/packages/client-api/src/providers/ip/create-ip-provider.ts
index 496ddce2..35cb76b4 100644
--- a/packages/client-api/src/providers/ip/create-ip-provider.ts
+++ b/packages/client-api/src/providers/ip/create-ip-provider.ts
@@ -30,9 +30,7 @@ export interface IpOutput {
   approxLongitude: number;
 }
 
-export async function createIpProvider(
-  config: IpProviderConfig,
-): Promise<IpProvider> {
+export function createIpProvider(config: IpProviderConfig): IpProvider {
   const mergedConfig = ipProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/keyboard/create-keyboard-provider.ts b/packages/client-api/src/providers/keyboard/create-keyboard-provider.ts
index c48b24d0..8ee2b13e 100644
--- a/packages/client-api/src/providers/keyboard/create-keyboard-provider.ts
+++ b/packages/client-api/src/providers/keyboard/create-keyboard-provider.ts
@@ -29,9 +29,9 @@ export interface KeyboardOutput {
   layout: string;
 }
 
-export async function createKeyboardProvider(
+export function createKeyboardProvider(
   config: KeyboardProviderConfig,
-): Promise<KeyboardProvider> {
+): KeyboardProvider {
   const mergedConfig = keyboardProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/komorebi/create-komorebi-provider.ts b/packages/client-api/src/providers/komorebi/create-komorebi-provider.ts
index 4fe9422c..36bd8b8c 100644
--- a/packages/client-api/src/providers/komorebi/create-komorebi-provider.ts
+++ b/packages/client-api/src/providers/komorebi/create-komorebi-provider.ts
@@ -121,9 +121,9 @@ export type KomorebiLayoutFlip =
   | 'vertical'
   | 'horizontal_and_vertical';
 
-export async function createKomorebiProvider(
+export function createKomorebiProvider(
   config: KomorebiProviderConfig,
-): Promise<KomorebiProvider> {
+): KomorebiProvider {
   const mergedConfig = komorebiProviderConfigSchema.parse(config);
 
   // TODO: Update state when monitors change.
diff --git a/packages/client-api/src/providers/memory/create-memory-provider.ts b/packages/client-api/src/providers/memory/create-memory-provider.ts
index 102bd69c..f365e40f 100644
--- a/packages/client-api/src/providers/memory/create-memory-provider.ts
+++ b/packages/client-api/src/providers/memory/create-memory-provider.ts
@@ -32,9 +32,9 @@ export interface MemoryOutput {
   totalSwap: number;
 }
 
-export async function createMemoryProvider(
+export function createMemoryProvider(
   config: MemoryProviderConfig,
-): Promise<MemoryProvider> {
+): MemoryProvider {
   const mergedConfig = memoryProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/network/create-network-provider.ts b/packages/client-api/src/providers/network/create-network-provider.ts
index eba29b01..b240dcdc 100644
--- a/packages/client-api/src/providers/network/create-network-provider.ts
+++ b/packages/client-api/src/providers/network/create-network-provider.ts
@@ -88,9 +88,9 @@ export interface NetworkTrafficMeasure {
   iecUnit: string;
 }
 
-export async function createNetworkProvider(
+export function createNetworkProvider(
   config: NetworkProviderConfig,
-): Promise<NetworkProvider> {
+): NetworkProvider {
   const mergedConfig = networkProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
diff --git a/packages/client-api/src/providers/weather/create-weather-provider.ts b/packages/client-api/src/providers/weather/create-weather-provider.ts
index 1c406195..53a81f38 100644
--- a/packages/client-api/src/providers/weather/create-weather-provider.ts
+++ b/packages/client-api/src/providers/weather/create-weather-provider.ts
@@ -50,33 +50,12 @@ export interface WeatherOutput {
   windSpeed: number;
 }
 
-export async function createWeatherProvider(
+export function createWeatherProvider(
   config: WeatherProviderConfig,
-): Promise<WeatherProvider> {
-  let ipProvider: IpProvider | null = null;
-
-  const mergedConfig: WeatherProviderConfig = {
-    ...weatherProviderConfigSchema.parse(config),
-    longitude:
-      config.longitude ?? (await getIpProvider()).output?.approxLongitude,
-    latitude:
-      config.latitude ?? (await getIpProvider()).output?.approxLatitude,
-  };
-
-  async function getIpProvider() {
-    return (
-      ipProvider ?? (ipProvider = await createProvider({ type: 'ip' }))
-    );
-  }
+): WeatherProvider {
+  const mergedConfig = weatherProviderConfigSchema.parse(config);
 
   return createBaseProvider(mergedConfig, async queue => {
-    if (!mergedConfig.latitude || !mergedConfig.longitude) {
-      queue.error(
-        'Failed to fetch estimate for latitude/longitude from IP address.',
-      );
-      return () => {};
-    }
-
     return onProviderEmit<WeatherOutput>(mergedConfig, ({ result }) => {
       if ('error' in result) {
         queue.error(result.error);
diff --git a/packages/desktop/src/monitor_state.rs b/packages/desktop/src/monitor_state.rs
index 668dd8a5..c71afcb2 100644
--- a/packages/desktop/src/monitor_state.rs
+++ b/packages/desktop/src/monitor_state.rs
@@ -3,7 +3,7 @@ use std::{sync::Arc, time::Duration};
 use serde::Serialize;
 use tauri::AppHandle;
 use tokio::{
-  sync::{broadcast, Mutex, RwLock},
+  sync::{broadcast, RwLock},
   task,
 };
 use tracing::info;
diff --git a/packages/desktop/src/providers/ip/ip_provider.rs b/packages/desktop/src/providers/ip/ip_provider.rs
index 590769ed..37b1cdac 100644
--- a/packages/desktop/src/providers/ip/ip_provider.rs
+++ b/packages/desktop/src/providers/ip/ip_provider.rs
@@ -38,7 +38,7 @@ impl IpProvider {
     self.config.refresh_interval
   }
 
-  async fn run_interval(&self) -> anyhow::Result<ProviderOutput> {
+  pub async fn run_interval(&self) -> anyhow::Result<ProviderOutput> {
     let res = self
       .http_client
       .get("https://ipinfo.io/json")
diff --git a/packages/desktop/src/providers/weather/weather_provider.rs b/packages/desktop/src/providers/weather/weather_provider.rs
index 24016b5d..8b57d300 100644
--- a/packages/desktop/src/providers/weather/weather_provider.rs
+++ b/packages/desktop/src/providers/weather/weather_provider.rs
@@ -2,14 +2,20 @@ use reqwest::Client;
 use serde::{Deserialize, Serialize};
 
 use super::open_meteo_res::OpenMeteoRes;
-use crate::{impl_interval_provider, providers::ProviderOutput};
+use crate::{
+  impl_interval_provider,
+  providers::{
+    ip::{IpProvider, IpProviderConfig},
+    ProviderOutput,
+  },
+};
 
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct WeatherProviderConfig {
   pub refresh_interval: u64,
-  pub latitude: f32,
-  pub longitude: f32,
+  pub latitude: Option<f32>,
+  pub longitude: Option<f32>,
 }
 
 #[derive(Debug, Clone, PartialEq, Serialize)]
@@ -57,13 +63,33 @@ impl WeatherProvider {
   }
 
   async fn run_interval(&self) -> anyhow::Result<ProviderOutput> {
+    let (latitude, longitude) = {
+      match (self.config.latitude, self.config.longitude) {
+        (Some(lat), Some(lon)) => (lat, lon),
+        _ => {
+          let ip_output = IpProvider::new(IpProviderConfig {
+            refresh_interval: 0,
+          })
+          .run_interval()
+          .await?;
+
+          match ip_output {
+            ProviderOutput::Ip(ip_output) => {
+              (ip_output.approx_latitude, ip_output.approx_longitude)
+            }
+            _ => anyhow::bail!("Unexpected output from IP provider."),
+          }
+        }
+      }
+    };
+
     let res = self
       .http_client
       .get("https://api.open-meteo.com/v1/forecast")
       .query(&[
         ("temperature_unit", "celsius"),
-        ("latitude", &self.config.latitude.to_string()),
-        ("longitude", &self.config.longitude.to_string()),
+        ("latitude", &latitude.to_string()),
+        ("longitude", &longitude.to_string()),
         ("current_weather", "true"),
         ("daily", "sunset,sunrise"),
         ("timezone", "auto"),