National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. 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 29.85 in (1010.84 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

4 Miles WNW Richmond CA

Heat Advisory March 20, 03:58pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 03:58pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 68. South wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. West southwest wind 5 to 8 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Southwest wind 6 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 68. South wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 54. West wind 8 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 66. West southwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 53. Southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Richmond CA
 37.95°N 122.43°W (Elev. 0 ft)
Last Update:
2:07 pm PDT Mar 20, 2026
Forecast Valid:
3pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation