Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Clear

N/A

Humidity NA
Wind Speed N 16 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

4 Miles NNW San Rafael CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83. West southwest wind around 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 61. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

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

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. West southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 61. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 59.
Monday
A chance of rain. Partly sunny, with a high near 80.
Monday Night
A chance of rain. Mostly cloudy, with a low around 58.
Tuesday
A chance of rain. Partly sunny, with a high near 80.
Tuesday Night
A chance of rain. Partly cloudy, with a low around 57.
Wednesday
A slight chance of rain. Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW San Rafael CA
 38.03°N 122.53°W (Elev. 66 ft)
3:20 pm PDT Sep 24, 2025
3pm PDT Sep 24, 2025-6pm PDT Oct 1, 2025
 
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Additional Resources

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