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

91°F

33°C

Humidity 20%
Wind Speed NNE 13 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 45°F (7°C)
Visibility NA
Heat Index87°F (31°C)
Last update 08 Jul 08:30 PM PDT
Extended Forecast for

9 Miles N Mount Laguna CA

Extreme Heat Warning July 8, 08:51pm until July 10, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 8, 08:51pm until July 10, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 80 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 104. Northwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 104 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 80. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 102. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 100.

    High: 100 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 83.

    Low: 83 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 11am. Mostly sunny, with a high near 98.

    High: 98 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 80. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 104. Northwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 80. West wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 102. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 80. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 100.
Saturday Night
Partly cloudy, with a low around 83.
Sunday
A slight chance of showers after 11am. Mostly sunny, with a high near 98.
Sunday Night
Partly cloudy, with a low around 82.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 83.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Tuesday Night
Mostly clear, with a low around 84.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Mount Laguna CA
 33°N 116.42°W (Elev. 2972 ft)
Last Update:
11:35 am PDT Jul 8, 2026
Forecast Valid:
8pm PDT Jul 8, 2026-6pm PDT Jul 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation