Critical Fire Weather Persists in the Southern High Plains; Snow in the Great Lakes into the Northeast

Elevated to critical fire weather conditions will persist across the central and southern High Plains today as gusty winds and dry conditions continue across the region. A clipper system will bring some lake effect snow to the Great Lakes and snow into the Northeast. Well above-average temperatures are expected to expand across much of the West, into the Plains states, and Southeast. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Partly Cloudy

64°F

18°C

Humidity 77%
Wind Speed E 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Feb 02:53 PM PST
Extended Forecast for

Saint Helena CA

  • Tonight

    Tonight: Patchy dense fog after 8pm.  Otherwise, mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Areas of dense fog before 10am.  Otherwise, mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Areas Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am.  Otherwise, cloudy, with a low around 50.

    Low: 50 °F

    Cloudy then
    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of rain.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog after 8pm. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Thursday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 73. Calm wind.
Thursday Night
Mostly cloudy, with a low around 52. Calm wind.
Friday
Partly sunny, with a high near 76. Calm wind.
Friday Night
Mostly cloudy, with a low around 54. Calm wind.
Saturday
Partly sunny, with a high near 72.
Saturday Night
Patchy fog after 1am. Otherwise, cloudy, with a low around 50.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
A slight chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 71.
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)
12:26 pm PST Feb 25, 2026
3pm PST Feb 25, 2026-6pm PST Mar 4, 2026
 
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