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Hazardous Weather Conditions

Current conditions at

GRASS MOUNTAIN (GMTC1)

Lat: 34.64078°NLon: 118.41435°WElev: 4626.0ft.

NA

47°F

8°C

Humidity 93%
Wind Speed SSW 25 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 13 Nov 11:59 PM PST
Extended Forecast for

7 Miles WSW Quartz Hill CA

Flood Watch November 15, 04:00am until November 15, 10:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Showers. Low around 48. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers. High near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 51. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 51 °F

    Showers and
    Breezy

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 53. Breezy, with an east northeast wind around 20 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 53 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 46. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers and
    Breezy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 47.

    High: 47 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers. Low around 48. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 51. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. High near 53. Breezy, with an east northeast wind around 20 mph becoming southeast in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 46. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 49.
Sunday Night
A 40 percent chance of showers, mainly after 10pm. Mostly cloudy, with a low around 45. Breezy.
Monday
A chance of showers. Partly sunny, with a high near 47.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 45.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Wednesday
Sunny, with a high near 47.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 43.
Thursday
A chance of showers. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Quartz Hill CA
 34.59°N 118.3°W (Elev. 4199 ft)
Last Update:
8:06 pm PST Nov 13, 2025
Forecast Valid:
12am PST Nov 14, 2025-6pm PST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation