National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Powerful Storm To Produce Widespread Hazards This Weekend

A powerful storm will track from the central Plains to the Great Lakes this weekend. This large system will produce several hazards across the Eastern two-thirds of the country; severe storms w/ damaging winds and tornadoes in the TN and Lower MS Valleys, rain and continued flood threat for the OH and TN Valleys and heavy snow w/ blizzard conditions from the central Plains to Upper MS Valley. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Fair

34°F

1°C

Humidity 93%
Wind Speed NNW 3 MPH
Barometer 30.24 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 23 Feb 1:20 am PST
Extended Forecast for

7 Miles WSW Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 38. East southeast wind around 5 mph.

    Mostly Clear

    Low: 38 °F

  • Saturday

    Saturday: Partly sunny, with a high near 54. Southeast wind around 6 mph becoming southwest in the afternoon.

    Partly Sunny

    High: 54 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain

    Low: 42 °F

  • Sunday

    Sunday: A 30 percent chance of rain. Cloudy, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 54 °F

  • Sunday
    Night

    Sunday Night: Rain likely, mainly after 4am. Cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely

    Low: 45 °F

  • Monday

    Monday: Rain likely. The rain could be heavy at times. Cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 55 °F

  • Monday
    Night

    Monday Night: Rain. The rain could be heavy at times. Low around 49. Chance of precipitation is 80%.

    Heavy Rain

    Low: 49 °F

  • Tuesday

    Tuesday: Rain. The rain could be heavy at times. Cloudy, with a high near 57.

    Heavy Rain

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Rain. The rain could be heavy at times. Cloudy, with a low around 51.

    Heavy Rain

    Low: 51 °F

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 38. East southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 54. Southeast wind around 6 mph becoming southwest in the afternoon.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain. Cloudy, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly after 4am. Cloudy, with a low around 45. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. The rain could be heavy at times. Cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. The rain could be heavy at times. Low around 49. Chance of precipitation is 80%.
Tuesday
Rain. The rain could be heavy at times. Cloudy, with a high near 57.
Tuesday Night
Rain. The rain could be heavy at times. Cloudy, with a low around 51.
Wednesday
Rain likely. Cloudy, with a high near 60.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly sunny, with a high near 61.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
7 Miles WSW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
Last Update:
12:20 am PST Feb 23, 2019
Forecast Valid:
1am PST Feb 23, 2019-6pm PST Mar 1, 2019
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation