National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

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

NA

35°F

2°C

Humidity 50%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 04 Dec 04:59 AM PST
Extended Forecast for

11 Miles W Quartz Hill CA

Wind Advisory December 4, 05:29am until December 4, 03:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 4, 05:29am until December 4, 03:00pm

    NOW until 3:00pm Thu

    Wind Advisory

  • Today

    High: 54 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 31. Wind chill values as low as 20. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58. Wind chill values as low as 20 early. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 35. West northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 35 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 62. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 54. Wind chill values as low as 15 early. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 31. Wind chill values as low as 20. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 58. Wind chill values as low as 20 early. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 35. West northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 62. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 60.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 60.
Monday Night
Clear, with a low around 45. Breezy.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.4°W (Elev. 3799 ft)
Last Update:
2:16 am PST Dec 4, 2025
Forecast Valid:
5am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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