Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Overcast

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Apr 02:30 AM PDT
Extended Forecast for

5 Miles SSW Saint Helena CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 5am.  Mostly cloudy, with a low around 50. Southwest wind around 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain.  High near 54. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before midnight.  Low around 45. West southwest wind 9 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61. West northwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. North wind 5 to 15 mph, with gusts as high as 33 mph.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 50. Southwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 54. Southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before midnight. Low around 45. West southwest wind 9 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 61. West northwest wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Clear, with a low around 51. North wind 5 to 15 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 53.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint Helena CA
 38.44°N 122.5°W (Elev. 1398 ft)
2:36 am PDT Apr 1, 2026
2am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database