diff --git a/.changeset/spotty-garlics-search.md b/.changeset/spotty-garlics-search.md
new file mode 100644
index 000000000..3fdbd17de
--- /dev/null
+++ b/.changeset/spotty-garlics-search.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': minor
+---
+
+feat(warnings): change default loglevel of warnings originating from files in node_modules to debug. To see them call `DEBUG:vite-plugin-svelte:node-modules-onwarn pnpm build`.
diff --git a/packages/vite-plugin-svelte/src/public.d.ts b/packages/vite-plugin-svelte/src/public.d.ts
index 0278d2770..ee9c89c86 100644
--- a/packages/vite-plugin-svelte/src/public.d.ts
+++ b/packages/vite-plugin-svelte/src/public.d.ts
@@ -136,6 +136,9 @@ export interface SvelteConfig {
 	/**
 	 * Handles warning emitted from the Svelte compiler
 	 *
+	 * warnings emitted for files in node_modules are logged at the debug level, to see them run
+	 * `DEBUG=vite-plugin-svelte:node-modules-onwarn pnpm build`
+	 *
 	 * @example
 	 * ```
 	 * (warning, defaultHandler) => {
@@ -145,6 +148,7 @@ export interface SvelteConfig {
 	 *   }
 	 * }
 	 * ```
+	 *
 	 */
 	onwarn?: (warning: Warning, defaultHandler: (warning: Warning) => void) => void;
 	/**
diff --git a/packages/vite-plugin-svelte/src/utils/log.js b/packages/vite-plugin-svelte/src/utils/log.js
index 4bb15c1a5..9769ead7f 100644
--- a/packages/vite-plugin-svelte/src/utils/log.js
+++ b/packages/vite-plugin-svelte/src/utils/log.js
@@ -226,14 +226,26 @@ function buildExtraWarnings(warnings, isBuild) {
  * @param {import('svelte/compiler').Warning} w
  */
 function warnDev(w) {
-	if (log.info.enabled) log.info(buildExtendedLogMessage(w));
+	if (w.filename?.includes('node_modules')) {
+		if (isDebugNamespaceEnabled('node-modules-onwarn')) {
+			log.debug(buildExtendedLogMessage(w), undefined, 'node-modules-onwarn');
+		}
+	} else if (log.info.enabled) {
+		log.info(buildExtendedLogMessage(w));
+	}
 }
 
 /**
  * @param {import('svelte/compiler').Warning & {frame?: string}} w
  */
 function warnBuild(w) {
-	if (log.warn.enabled) log.warn(buildExtendedLogMessage(w), w.frame);
+	if (w.filename?.includes('node_modules')) {
+		if (isDebugNamespaceEnabled('node-modules-onwarn')) {
+			log.debug(buildExtendedLogMessage(w), w.frame, 'node-modules-onwarn');
+		}
+	} else if (log.warn.enabled) {
+		log.warn(buildExtendedLogMessage(w), w.frame);
+	}
 }
 
 /**
diff --git a/packages/vite-plugin-svelte/types/index.d.ts b/packages/vite-plugin-svelte/types/index.d.ts
index f2c3838be..5d6c1fa9b 100644
--- a/packages/vite-plugin-svelte/types/index.d.ts
+++ b/packages/vite-plugin-svelte/types/index.d.ts
@@ -136,6 +136,9 @@ declare module '@sveltejs/vite-plugin-svelte' {
 		/**
 		 * Handles warning emitted from the Svelte compiler
 		 *
+		 * warnings emitted for files in node_modules are logged at the debug level, to see them run
+		 * `DEBUG=vite-plugin-svelte:node-modules-onwarn pnpm build`
+		 *
 		 * @example
 		 * ```
 		 * (warning, defaultHandler) => {
@@ -145,6 +148,7 @@ declare module '@sveltejs/vite-plugin-svelte' {
 		 *   }
 		 * }
 		 * ```
+		 *
 		 */
 		onwarn?: (warning: Warning, defaultHandler: (warning: Warning) => void) => void;
 		/**
diff --git a/packages/vite-plugin-svelte/types/index.d.ts.map b/packages/vite-plugin-svelte/types/index.d.ts.map
index b01db05a6..f45ed2c62 100644
--- a/packages/vite-plugin-svelte/types/index.d.ts.map
+++ b/packages/vite-plugin-svelte/types/index.d.ts.map
@@ -22,5 +22,5 @@
 		null,
 		null
 	],
-	"mappings": ";;;;aAIYA,OAAOA;;;;;;;;;;;;;kBAaFC,aAAaA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;kBAgGbC,YAAYA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;kBA8EZC,qBAAqBA;;;;;;;;;;;;;iBCtKtBC,MAAMA;iBCTNC,cAAcA;iBCgBRC,gBAAgBA"
+	"mappings": ";;;;aAIYA,OAAOA;;;;;;;;;;;;;kBAaFC,aAAaA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;kBAgGbC,YAAYA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;kBAkFZC,qBAAqBA;;;;;;;;;;;;;iBC1KtBC,MAAMA;iBCTNC,cAAcA;iBCgBRC,gBAAgBA"
 }
\ No newline at end of file