Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

79°F

26°C

Humidity 41%
Wind Speed SE 13 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 25 Jul 06:30 PM PDT
Extended Forecast for

2 Miles SE Saint Helena CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 54. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 90. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 54. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 91. Light and variable wind.
Monday Night
Mostly clear, with a low around 56. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Helena CA
 38.49°N 122.45°W (Elev. 230 ft)
1:25 pm PDT Jul 25, 2026
6pm PDT Jul 25, 2026-6pm PDT Aug 1, 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