Hazardous Weather Conditions

Current conditions at

EW9979 MasonValley (E9979)

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

NA

77°F

25°C

Humidity 24%
Wind Speed NNE 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 37°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 20 Mar 12:00 AM PDT
Extended Forecast for

10 Miles ESE Julian CA

Heat Advisory March 20, 12:16am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 12:16am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 97. West wind around 5 mph becoming calm.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 70. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91. West wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. West wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 71. West wind around 5 mph.
Friday
Sunny, with a high near 97. West wind around 5 mph becoming calm.
Friday Night
Clear, with a low around 70. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 91. West wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 66. West wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Julian CA
 33.05°N 116.42°W (Elev. 2651 ft)
11:14 am PDT Mar 19, 2026
12am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database