Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

62°F

17°C

Humidity 51%
Wind Speed N 11 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 08:53 PM PDT
Extended Forecast for

Saint Helena CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 9 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Northwest wind 6 to 11 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. West southwest wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northwest wind 5 to 14 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 52. Northwest wind 6 to 11 mph.
Sunday
Sunny, with a high near 82. West southwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 52. West wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 51.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
8:33 pm PDT Jun 20, 2025
9pm PDT Jun 20, 2025-6pm PDT Jun 27, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database