Heavy rain threat continues through Saturday from the Ohio Valley to the Mid-Atlantic and the Northeast. Scattered showers and thunderstorms will be possible over the Southwest and Rockies.

Widespread showers and thunderstorms will continue over much of the Mid-Atlantic, Northeast and the Ohio valley through the weekend. The central Appalachians and the lower Great Lakes/Ohio valley will likely have the higher rainfall amounts. Showers and thunderstorms will be possible this weekend as well from the desert southwest/southern Rockies northward to the northern Rockies and High Plains. Read More >

Current conditions at

DW9961 Petaluma (D9961)

Lat: 38.27467°NLon: 122.66383°WElev: 43ft.

NA

65°F

18°C

Humidity 53%
Wind Speed NNE 8 G 18 MPH
Barometer 30.01 in
Dewpoint 47°F (8°C)
Visibility NA
Last update 30 Sep 4:37 pm PDT
Extended Forecast for

7 Miles SW Saint Helena CA

  • Tonight

    Tonight: Mostly clear, with a low around 46. West northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph.

    Mostly Clear

    Low: 46 °F

  • Saturday

    Saturday: Sunny, with a high near 70. West wind 6 to 11 mph.

    Sunny

    High: 70 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 46. Northwest wind 6 to 16 mph, with gusts as high as 21 mph.

    Partly Cloudy

    Low: 46 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 60. West wind 7 to 10 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 60 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Mostly cloudy, with a low around 45. West wind 6 to 13 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 45 °F

  • Monday

    Monday: A 20 percent chance of showers before 11am.  Partly sunny, with a high near 65.

    Slight Chance
    Showers then
    Partly Sunny

    High: 65 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 48.

    Slight Chance
    Showers

    Low: 48 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    Mostly Sunny

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Partly Cloudy

    Low: 49 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 46. West northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 70. West wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 46. Northwest wind 6 to 16 mph, with gusts as high as 21 mph.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 60. West wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 45. West wind 6 to 13 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 65.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
7 Miles SW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
1:32 pm PDT Sep 30, 2016
4pm PDT Sep 30, 2016-6pm PDT Oct 7, 2016
 
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