Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains to the Gulf Coast and lower Miss. Valley on Friday. Large hail, locally damaging winds and flash flooding will be the main threats. This activity will continue into Saturday.
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Current conditions at

DW9961 Petaluma (D9961)

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

NA

50°F

10°C

Humidity 84%
Wind Speed NNW 2 G 7 MPH
Barometer 29.95 in
Dewpoint 45°F (7°C)
Visibility NA
Last update 29 Apr 2:42 am PDT
Extended Forecast for

4 Miles SSW Saint Helena CA

Wind Advisory April 29, 11:00pm until April 30, 10:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 51. Light north northeast wind.

    Mostly Clear

    Low: 51 °F

  • Friday

    Friday: Sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon.

    Sunny

    High: 69 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 51. West northwest wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph.

    Clear

    Low: 51 °F

  • Saturday

    Saturday: Sunny, with a high near 77. Breezy, with a north wind 15 to 22 mph, with gusts as high as 32 mph.

    Sunny and
    Breezy

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 58. North wind 16 to 21 mph, with gusts as high as 26 mph.

    Clear

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 52.

    Clear

    Low: 52 °F

  • Monday

    Monday: Sunny, with a high near 66.

    Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 52.

    Partly Cloudy

    Low: 52 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Light north northeast wind.
Friday
Sunny, with a high near 69. Light and variable wind becoming west 8 to 13 mph in the afternoon.
Friday Night
Clear, with a low around 51. West northwest wind 14 to 18 mph becoming north after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 77. Breezy, with a north wind 15 to 22 mph, with gusts as high as 32 mph.
Saturday Night
Clear, with a low around 58. North wind 16 to 21 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 52.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 50.
Thursday
A slight chance of showers. Partly sunny, with a high near 63.
Click Map For Forecast
Point Forecast:
4 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 ft)
2:40 am PDT Apr 29, 2016
3am PDT Apr 29, 2016-6pm PDT May 5, 2016
 
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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