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

57°F

14°C

Humidity 37%
Wind Speed N 6 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 16 Oct 12:59 AM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Red Flag Warning October 16, 01:16am until October 17, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning October 16, 01:16am until October 17, 08:00pm

    NOW until 8:00pm Sat

    Red Flag Warning

  • Overnight

    Low: 60 °F

    Clear and
    Windy

  • Friday

    Friday: Sunny, with a high near 75. Windy, with an east northeast wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 75 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Windy, with an east northeast wind around 30 mph, with gusts as high as 45 mph.

    Low: 60 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 75. Windy, with an east northeast wind 20 to 30 mph, with gusts as high as 45 mph.

    High: 75 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 60. Windy, with a northeast wind around 30 mph, with gusts as high as 45 mph.
Friday
Sunny, with a high near 75. Windy, with an east northeast wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Mostly clear, with a low around 60. Windy, with an east northeast wind around 30 mph, with gusts as high as 45 mph.
Saturday
Sunny, with a high near 75. Windy, with an east northeast wind 20 to 30 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 55. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 50. Breezy.
Tuesday
A chance of showers after 11am. Mostly sunny, with a high near 60. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 56.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A slight chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Quartz Hill CA
 34.67°N 118.4°W (Elev. 3599 ft)
Last Update:
11:26 pm PDT Oct 15, 2026
Forecast Valid:
1am PDT Oct 16, 2026-6pm PDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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