Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

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

Clear

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 18 Feb 01:20 AM PST
Extended Forecast for

7 Miles WSW Saint Helena CA

Cold Weather Advisory until February 18, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 18, 09:00am

    NOW until 9:00am Wed

    Cold Weather Advisory

  • Overnight

    Low: 34 °F

    Areas Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm.  Patchy fog between 7am and 9am.  Otherwise, partly sunny, with a high near 49. West southwest wind 5 to 7 mph becoming calm  in the afternoon.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow and
    Patchy Fog
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 8pm.  Patchy fog after 3am. Low around 36. East southeast wind 5 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain before 9am, then rain and snow between 9am and 10am, then a chance of rain after 10am.  Areas of fog before 8am. High near 48. West northwest wind 6 to 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow and
    Areas Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 2am.  Otherwise, mostly clear, with a low around 31. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 31 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 48.

    High: 48 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog after 5am. Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. North northwest wind 9 to 11 mph, with gusts as high as 29 mph.
Wednesday
A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm. Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 49. West southwest wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
Rain, mainly after 8pm. Patchy fog after 3am. Low around 36. East southeast wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain before 9am, then rain and snow between 9am and 10am, then a chance of rain after 10am. Areas of fog before 8am. High near 48. West northwest wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. West northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 48.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51.
Saturday Night
Rain. Cloudy, with a low around 47.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 52.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Saint Helena CA
 38.45°N 122.59°W (Elev. 535 ft)
12:27 am PST Feb 18, 2026
1am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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