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Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

30°F

-1°C

Humidity 100%
Wind Speed WNW 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 19 Feb 06:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

Winter Storm Warning February 19, 07:27pm until February 20, 07:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 19, 07:27pm until February 20, 07:00am

    NOW until 7:00am Fri

    Winter Storm Warning

  • Tonight

    Low: 31 °F

    Windy. Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 45. Wind chill values as low as 20 early. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Wind chill values as low as 25. West wind 5 to 10 mph becoming east southeast after midnight.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Wind chill values as low as 25 early. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 31. Wind chill values as low as 20. Windy, with a west southwest wind 20 to 30 mph becoming northwest after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Friday
Mostly cloudy, with a high near 45. Wind chill values as low as 20 early. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 31. Wind chill values as low as 25. West wind 5 to 10 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 51. Wind chill values as low as 25 early. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 36. Northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 64.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
1:07 pm PST Feb 19, 2026
Forecast Valid:
7pm PST Feb 19, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

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Chance of Precipitation