diff --git a/samples/QuickstartWeatherServer/Tools/WeatherTools.cs b/samples/QuickstartWeatherServer/Tools/WeatherTools.cs
index 697b80952..9ae9c9198 100644
--- a/samples/QuickstartWeatherServer/Tools/WeatherTools.cs
+++ b/samples/QuickstartWeatherServer/Tools/WeatherTools.cs
@@ -40,8 +40,11 @@ public static async Task<string> GetForecast(
         [Description("Latitude of the location.")] double latitude,
         [Description("Longitude of the location.")] double longitude)
     {
-        var jsonElement = await client.GetFromJsonAsync<JsonElement>($"/points/{latitude},{longitude}");
-        var periods = jsonElement.GetProperty("properties").GetProperty("periods").EnumerateArray();
+        var gridId = jsonElement.GetProperty("properties").GetProperty("gridId");
+        var gridX = jsonElement.GetProperty("properties").GetProperty("gridX");
+        var gridY = jsonElement.GetProperty("properties").GetProperty("gridY");
+        var pointsData = await client.GetFromJsonAsync<JsonElement>($"/gridpoints/{gridId}/{gridX},{gridY}/forecast");
+        var periods = pointsData.GetProperty("properties").GetProperty("periods").EnumerateArray();
 
         return string.Join("\n---\n", periods.Select(period => $"""
                 {period.GetProperty("name").GetString()}
@@ -50,4 +53,4 @@ public static async Task<string> GetForecast(
                 Forecast: {period.GetProperty("detailedForecast").GetString()}
                 """));
     }
-}
\ No newline at end of file
+}