Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. 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 29.88 in (1011.85 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Larkspur CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind.

    High: 76 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 88. Calm wind.

    High: 88 °F

    Areas Fog
    then Sunny

  • Wednesday Night

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

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Calm wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 76. Calm wind.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53. Calm wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 88. Calm wind.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Larkspur CA
 37.93°N 122.54°W (Elev. 197 ft)
2:36 am PDT Sep 21, 2026
4am PDT Sep 21, 2026-6pm PDT Sep 27, 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