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

48°F

9°C

Humidity 51%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 10 Feb 07:59 AM PST
Extended Forecast for

11 Miles WSW Quartz Hill CA

Wind Advisory February 10, 01:00pm until February 11, 01:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    Low: 44 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 50. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 37. Wind chill values as low as 30. West southwest wind around 15 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. North northeast wind 5 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 55. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Breezy, with a south southwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 50. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 37. Wind chill values as low as 30. West southwest wind around 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 54. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Mostly cloudy, with a high near 49. Breezy.
Sunday Night
Rain likely. Mostly cloudy, with a low around 37. Breezy.
Washington's Birthday
Rain. Mostly cloudy, with a high near 45. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Quartz Hill CA
 34.63°N 118.39°W (Elev. 3228 ft)
Last Update:
2:16 am PST Feb 10, 2026
Forecast Valid:
8am PST Feb 10, 2026-6pm PST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation