Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

40°F

4°C

Humidity 64%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 18 Feb 12:59 PM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

Winter Storm Warning February 18, 02:06pm until February 20, 07:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 02:06pm until February 20, 07:00am

    NOW until 7:00am Fri

    Winter Storm Warning

  • This Afternoon

    High: 41 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Rain after 4am.  Low around 31. Wind chill values as low as 20. West northwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Partly Cloudy
    then Rain

  • Thursday

    Thursday: Rain.  High near 42. Wind chill values as low as 20. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain and
    Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm.  Partly cloudy, with a low around 29. Wind chill values as low as 15. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 40 mph.

    Low: 29 °F

    Windy. Slight
    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

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

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. Wind chill values as low as 30. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Rain after 4am. Low around 31. Wind chill values as low as 20. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 42. Wind chill values as low as 20. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 29. Wind chill values as low as 15. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 40 mph.
Friday
Mostly sunny, with a high near 44. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A slight chance of rain. Partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
1:07 pm PST Feb 18, 2026
2pm PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

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