Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

light rain,mist

59°F

15°C

Humidity 93%
Wind Speed S 9 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 24 Feb 02:15 PM PST
Extended Forecast for

Saint Helena CA

  • This Afternoon

    This Afternoon: Rain.  High near 61. South southeast wind around 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 10pm.  Patchy fog after 8pm. Low around 53. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 1am and 2am.  Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain. High near 61. South southeast wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 10pm. Patchy fog after 8pm. Low around 53. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 68. Calm wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 47. Calm wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. Calm wind.
Thursday Night
Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 47.
Monday
A slight chance of rain. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.49°N 122.45°W (Elev. 230 ft)
1:26 pm PST Feb 24, 2026
2pm PST Feb 24, 2026-6pm PST Mar 2, 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