Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

59°F

15°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Feb 02:00 AM PST
Extended Forecast for

4 Miles W Saint Helena CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. West wind around 6 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. West southwest wind 5 to 7 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 4am.  Mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. Light and variable wind.
Saturday
Partly sunny, with a high near 69. Light and variable wind becoming southwest around 6 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 54. West wind around 6 mph.
Sunday
Mostly cloudy, with a high near 58. West southwest wind 5 to 7 mph.
Sunday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 51. West southwest wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Helena CA
 38.52°N 122.55°W (Elev. 1998 ft)
1:21 am PST Feb 28, 2026
2am PST Feb 28, 2026-6pm PST Mar 6, 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