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

86°F

30°C

Humidity 16%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Heat Index83°F (28°C)
Last update 18 Aug 11:59 AM PDT
Extended Forecast for

13 Miles NNE Santa Clarita CA

Heat Advisory August 18, 01:15pm until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 01:15pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. West wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 95. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 66. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 97. Northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 66. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 98. West wind 5 to 10 mph becoming south southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 63.
Monday
Sunny, with a high near 92.
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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 PDT Aug 18, 2026
Forecast Valid:
1pm PDT Aug 18, 2026-6pm PDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation