Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

NA

73°F

23°C

Humidity 15%
Wind Speed NW 9 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 17 Mar 10:36 PM PDT
Extended Forecast for

4 Miles W Mill Valley CA

Heat Advisory March 17, 10:53pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 10:53pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light and variable wind becoming northeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64. Northwest wind 3 to 6 mph.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. North northeast wind 3 to 5 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. West northwest wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 66. North northwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 79. Light and variable wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 64. Northwest wind 3 to 6 mph.
Thursday
Sunny, with a high near 81. North northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 65. West northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Mill Valley CA
 37.9°N 122.61°W (Elev. 1109 ft)
1:49 pm PDT Mar 17, 2026
10pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
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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