Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

52°F

11°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Last update 20 May 01:53 AM PDT
Extended Forecast for

4 Miles NW Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 55. Light and variable wind.
Thursday
Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 54. West southwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Saint Helena CA
 38.55°N 122.53°W (Elev. 715 ft)
1:26 am PDT May 20, 2026
2am PDT May 20, 2026-6pm PDT May 26, 2026
 
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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