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

27°F

-3°C

Humidity 65%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 09 Jan 01:59 AM PST
Extended Forecast for

11 Miles W Quartz Hill CA

High Wind Warning January 9, 02:26am until January 11, 01:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning January 9, 02:26am until January 11, 01:00pm

    NOW until 1:00pm Sun

    High Wind Warning

  • Overnight

    Low: 29 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Sunny, with a high near 42. Wind chill values as low as 15. Windy, with a northeast wind around 30 mph, with gusts as high as 45 mph.

    High: 42 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 32. Wind chill values as low as 20. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 32 °F

    Clear and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 46. Wind chill values as low as 20 early. Windy, with a northeast wind around 30 mph, with gusts as high as 45 mph.

    High: 46 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Breezy, with a northeast wind around 25 mph, with gusts as high as 40 mph.

    Low: 37 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 50. Breezy.

    High: 50 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 53. Breezy.

    High: 53 °F

    Sunny and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Wind chill values as low as 15. Blustery, with a northeast wind around 25 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 42. Wind chill values as low as 15. Windy, with a northeast wind around 30 mph, with gusts as high as 45 mph.
Friday Night
Clear, with a low around 32. Wind chill values as low as 20. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.
Saturday
Sunny, with a high near 46. Wind chill values as low as 20 early. Windy, with a northeast wind around 30 mph, with gusts as high as 45 mph.
Saturday Night
Clear, with a low around 37. Breezy, with a northeast wind around 25 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 41. Breezy.
Monday
Sunny, with a high near 53. Breezy.
Monday Night
Clear, with a low around 44. Breezy.
Tuesday
Sunny, with a high near 58. Breezy.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.65°N 118.43°W (Elev. 3832 ft)
Last Update:
1:46 am PST Jan 9, 2026
Forecast Valid:
2am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
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