Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

DW7094 Mill Valley (D7094)

Lat: 37.91317°NLon: 122.5485°WElev: 204.79ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Mill Valley CA

Heat Advisory March 19, 11:22am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 11:22am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 58. West wind around 6 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 80. West northwest wind 5 to 9 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 89. North wind 3 to 6 mph.
Tonight
Clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 58. West wind around 6 mph.
Saturday
Partly sunny, with a high near 80. West northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Mill Valley CA
 37.91°N 122.53°W (Elev. 397 ft)
5:12 am PDT Mar 19, 2026
11am PDT Mar 19, 2026-6pm PDT Mar 25, 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