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

38°F

3°C

Humidity 51%
Wind Speed E 7 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 12 Jan 06:59 AM PST
Extended Forecast for

14 Miles W Quartz Hill CA

Wind Advisory January 12, 07:26am until January 12, 01:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 12, 07:26am until January 12, 01:00pm

    NOW until 1:00pm Mon

    Wind Advisory

  • Today

    High: 53 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 40. Wind chill values as low as 30. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 40 °F

    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 57. Wind chill values as low as 30 early. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 53. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
Clear, with a low around 40. Wind chill values as low as 30. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 57. Wind chill values as low as 30 early. Breezy, with a northeast wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Clear, with a low around 45. North northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 60. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 58. Breezy.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W Quartz Hill CA
 34.69°N 118.46°W (Elev. 3550 ft)
Last Update:
6:32 am PST Jan 12, 2026
Forecast Valid:
7am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation