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

63°F

17°C

Humidity 30%
Wind Speed NE 10 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 15 Oct 10:59 PM PDT
Extended Forecast for

11 Miles W Quartz Hill CA

Red Flag Warning October 15, 11:28pm until October 17, 08:00pm
High Wind Warning October 15, 11:28pm until October 16, 08:00pm
Click here for hazard details and duration
Red Flag Warning
High Wind Warning
  •  
    Red Flag Warning October 15, 11:28pm until October 17, 08:00pm
    High Wind Warning October 15, 11:28pm until October 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 59 °F

    Clear and
    Windy

  • Friday

    Friday: Sunny, with a high near 66. Very windy, with an east northeast wind 35 to 40 mph, with gusts as high as 55 mph.

    High: 66 °F

    Sunny and
    Very Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Windy, with an east northeast wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 61 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 73. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 73 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Breezy, with a north northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 59. Windy, with a northeast wind around 30 mph, with gusts as high as 50 mph.
Friday
Sunny, with a high near 66. Very windy, with an east northeast wind 35 to 40 mph, with gusts as high as 55 mph.
Friday Night
Mostly clear, with a low around 61. Windy, with an east northeast wind 25 to 30 mph, with gusts as high as 45 mph.
Saturday
Sunny, with a high near 73. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 56. Breezy, with a north northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 72.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 49. Breezy.
Tuesday
Mostly sunny, with a high near 59. Breezy.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Breezy.
Wednesday
A chance of showers. Partly sunny, with a high near 54.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A slight chance of showers. Sunny, with a high near 55.
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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:
11:31 am PDT Oct 15, 2026
Forecast Valid:
11pm PDT Oct 15, 2026-6pm PDT Oct 22, 2026
 
Forecast Discussion
 
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