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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125ft.

Fair

50°F

10°C

Humidity 89%
Wind Speed calm
Barometer 29.96 in (1013.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 29 Apr 2:53 am PDT
Extended Forecast for

Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a low around 46. Light east southeast wind.

    Mostly Clear

    Low: 46 °F

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon.

    Mostly Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 47. North wind 11 to 15 mph, with gusts as high as 20 mph.

    Clear

    Low: 47 °F

  • Saturday

    Saturday: Sunny, with a high near 84. North wind 13 to 18 mph, with gusts as high as 24 mph.

    Sunny

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 53. North wind 13 to 15 mph, with gusts as high as 20 mph.

    Clear

    Low: 53 °F

  • Sunday

    Sunday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 47.

    Clear

    Low: 47 °F

  • Monday

    Monday: Sunny, with a high near 75.

    Sunny

    High: 75 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 46.

    Partly Cloudy

    Low: 46 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 46. Light east southeast wind.
Friday
Mostly sunny, with a high near 77. Calm wind becoming west 5 to 9 mph in the afternoon.
Friday Night
Clear, with a low around 47. North wind 11 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 84. North wind 13 to 18 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 53. North wind 13 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 47.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Thursday
A slight chance of showers. Partly sunny, with a high near 72.
Click Map For Forecast
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 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