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Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

36°F

2°C

Humidity 99%
Wind Speed SSW 36 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 17 Feb 09:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

Flood Watch until February 18, 06:00am
Winter Storm Warning until February 20, 07:00am
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch until February 18, 06:00am
    Winter Storm Warning until February 20, 07:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 34 °F

    Very Windy.
    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 10am. Partly sunny, with a high near 42. Wind chill values as low as 20. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 42 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow after 4am. Partly cloudy, with a low around 31. Wind chill values as low as 20. West wind around 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of rain and snow before 10am, then rain. High near 40. Wind chill values as low as 20. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Breezy.
    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 10pm, then a slight chance of snow. Partly cloudy, with a low around 29. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy then
    Slight Chance
    Snow

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Tonight
Rain before 4am, then rain, possibly mixed with snow showers. Low around 34. Wind chill values as low as 25. Very windy, with a southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
A 20 percent chance of snow showers before 10am. Partly sunny, with a high near 42. Wind chill values as low as 20. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of snow after 4am. Partly cloudy, with a low around 31. Wind chill values as low as 20. West wind around 15 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow before 10am, then rain. High near 40. Wind chill values as low as 20. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 10pm, then a slight chance of snow. Partly cloudy, with a low around 29. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A slight chance of rain after 10am. Mostly sunny, with a high near 54.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Partly sunny, with a high near 58.
Monday Night
A chance of rain. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
7:41 pm PST Feb 17, 2026
Forecast Valid:
10pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation