Severe Storms Continue Over the Central Mississippi Valley

Severe thunderstorms with damaging winds, large hail and isolated tornadoes will continue over the central and lower Mississippi Valley. Heavy rain with localized flash flooding remains possible over the central Appalachians and lower Mississippi Valley. Heavy snow and cold temperatures continue from the central Plains to the northern Rockies.
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Hazardous Weather Conditions

Current conditions at

DW9961 Petaluma (D9961)

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

NA

52°F

11°C

Humidity 92%
Wind Speed NA
Barometer 30.00 in
Dewpoint 50°F (10°C)
Visibility NA
Last update 02 May 6:21 am PDT
Extended Forecast for

7 Miles SW Saint Helena CA

  • Today

    Today: Sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.

    Sunny

    High: 72 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 49. West wind 5 to 10 mph becoming light  in the evening.

    Partly Cloudy

    Low: 49 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Light west northwest wind becoming west southwest 5 to 9 mph in the morning.

    Partly Sunny

    High: 71 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 49. Northwest wind 5 to 9 mph.

    Mostly Cloudy

    Low: 49 °F

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 11am. Some of the storms could produce small hail.  Partly sunny, with a high near 65. Light west wind.  Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms

    High: 65 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms. Some of the storms could produce small hail.  Mostly cloudy, with a low around 47. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 47 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Some of the storms could produce small hail.  Partly sunny, with a high near 64.

    Slight Chance
    T-storms

    High: 64 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms. Some of the storms could produce small hail.  Mostly cloudy, with a low around 47.

    Slight Chance
    T-storms

    Low: 47 °F

  • Friday

    Friday: A chance of showers and thunderstorms. Some of the storms could produce small hail.  Partly sunny, with a high near 69.

    Chance
    Showers

    High: 69 °F

Detailed Forecast

Today
Sunny, with a high near 72. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 49. West wind 5 to 10 mph becoming light in the evening.
Tuesday
Partly sunny, with a high near 71. Light west northwest wind becoming west southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 49. Northwest wind 5 to 9 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 11am. Some of the storms could produce small hail. Partly sunny, with a high near 65. Light west wind. Chance of precipitation is 20%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms. Some of the storms could produce small hail. Mostly cloudy, with a low around 47. Chance of precipitation is 20%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of showers and thunderstorms. Some of the storms could produce small hail. Partly sunny, with a high near 64.
Thursday Night
A slight chance of showers and thunderstorms. Some of the storms could produce small hail. Mostly cloudy, with a low around 47.
Friday
A chance of showers and thunderstorms. Some of the storms could produce small hail. Partly sunny, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
7 Miles SW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
2:48 am PDT May 2, 2016
6am PDT May 2, 2016-6pm PDT May 8, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database