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Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Mostly Cloudy

45°F

7°C

Humidity 87%
Wind Speed SSE 5 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Feb 03:35 AM PST
Extended Forecast for

Saint Helena CA

Coastal Flood Advisory February 17, 03:55am until February 17, 03:00pm
Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Coastal Flood Advisory
Cold Weather Advisory
  •  
    Coastal Flood Advisory February 17, 03:55am until February 17, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • Overnight

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 49. South southwest wind 9 to 16 mph becoming west in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming light north after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Rain. Low around 38. Light east southeast wind becoming southeast 5 to 9 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A chance of rain. Patchy fog before 7am. Otherwise, partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
Rain. Low around 38. Light east wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 49. South southwest wind 9 to 16 mph becoming west in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming light north after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 38. Light east southeast wind becoming southeast 5 to 9 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 40 percent chance of rain. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33.
Friday
A chance of rain. Patchy fog before 7am. Otherwise, partly sunny, with a high near 53.
Friday Night
A chance of rain. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 37.
Saturday
Rain likely, mainly after 4pm. Partly sunny, with a high near 55.
Saturday Night
Rain likely. Mostly cloudy, with a low around 43.
Sunday
Rain. Cloudy, with a high near 57.
Sunday Night
Rain. Cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
Last Update:
12:27 am PST Feb 17, 2026
Forecast Valid:
3am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation