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

37°F

3°C

Humidity 63%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 18 Feb 04:59 PM PST
Extended Forecast for

13 Miles NNE Santa Clarita CA

Winter Storm Warning February 18, 05:19pm until February 20, 07:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 05:19pm until February 20, 07:00am

    NOW until 7:00am Fri

    Winter Storm Warning

  • Tonight

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain. High near 48. Wind chill values as low as 25 early. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 31. Wind chill values as low as 20. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 31 °F

    Blustery.
    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. Wind chill values as low as 25 early. Northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. West wind around 5 mph becoming north northeast after midnight.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. Wind chill values as low as 20. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Rain. High near 48. Wind chill values as low as 25 early. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 31. Wind chill values as low as 20. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Friday
Mostly sunny, with a high near 49. Wind chill values as low as 25 early. Northwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 31. West wind around 5 mph becoming north northeast after midnight.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A slight chance of rain after 10am. Partly sunny, with a high near 65.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Santa Clarita CA
 34.6°N 118.44°W (Elev. 2365 ft)
Last Update:
1:07 pm PST Feb 18, 2026
Forecast Valid:
5pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation