National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

EW9979 MasonValley (E9979)

Lat: 32.99317°NLon: 116.44467°WElev: 2115.91ft.

NA

98°F

37°C

Humidity 22%
Wind Speed NNE 7 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 53°F (12°C)
Visibility NA
Heat Index96°F (36°C)
Last update 19 Aug 07:45 PM PDT
Extended Forecast for

9 Miles NNE Mount Laguna CA

Extreme Heat Warning until August 21, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until August 21, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 81 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 101. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 101 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80. Northwest wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 100. West wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 20%.

    High: 100 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. West wind 5 to 10 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 103.

    High: 103 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 81. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 101. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 80. Northwest wind 5 to 10 mph.
Friday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 100. West wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 79. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 103.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Sunny, with a high near 100.
Sunday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 79.
Monday
A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 97.
Monday Night
A slight chance of showers. Mostly clear, with a low around 79.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 99.
Tuesday Night
Mostly clear, with a low around 80.
Wednesday
A slight chance of showers. Sunny, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount Laguna CA
 33.01°N 116.39°W (Elev. 2812 ft)
Last Update:
2:47 pm PDT Aug 19, 2026
Forecast Valid:
8pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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