Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

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 29.9 in (1012.53 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Mill Valley CA

  • Tonight

    Tonight: Patchy smoke before 8pm. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Patchy smoke after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 76 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Friday Night

    Friday Night: Patchy smoke before 7pm. Patchy fog after 3am.  Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Smoke
    then Patchy
    Fog

  • Saturday

    Saturday: Sunny, with a high near 74. West wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 8pm. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 11am. Patchy smoke after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Patchy smoke before 7pm. Patchy fog after 3am. Otherwise, mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 74. West wind 5 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 53. West wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A slight chance of showers after 11am. Mostly sunny, with a high near 70.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 74.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 54.
Thursday
A slight chance of showers. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Mill Valley CA
 37.91°N 122.53°W (Elev. 397 ft)
1:42 pm PDT Aug 27, 2026
3pm PDT Aug 27, 2026-6pm PDT Sep 3, 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