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Hazardous Weather Conditions

Current conditions at

EW9979 MasonValley (E9979)

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

NA

100°F

38°C

Humidity 31%
Wind Speed E 5 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 64°F (18°C)
Visibility NA
Heat Index103°F (39°C)
Last update 05 Aug 05:00 PM PDT
Extended Forecast for

9 Miles NNE Mount Laguna CA

Extreme Heat Warning August 5, 05:16pm until August 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 5, 05:16pm until August 8, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 99 °F

    Sunny

  • Thursday Night

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

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 101. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 101 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. West wind around 10 mph.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 103.

    High: 103 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 101.

    High: 101 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 79. North wind 5 to 10 mph becoming light and variable.
Thursday
Sunny, with a high near 99. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 101. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79. West wind around 10 mph.
Saturday
Sunny, with a high near 103.
Saturday Night
Mostly clear, with a low around 80.
Sunday
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 101.
Sunday Night
Partly cloudy, with a low around 79.
Monday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 99.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Mostly sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 97.
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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:
12:03 pm PDT Aug 5, 2026
Forecast Valid:
5pm PDT Aug 5, 2026-6pm PDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation