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Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. 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.

Clear

54°F

12°C

Humidity 46%
Wind Speed S 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Feb 04:35 PM PST
Extended Forecast for

Calistoga CA

Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Patchy frost after midnight. Otherwise, increasing clouds, with a low around 35. Light east wind.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: A chance of rain between 3pm and 5pm. Partly sunny, with a high near 55. East wind 5 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Rain likely, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 60.

    High: 60 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 50.

    Low: 50 °F

    Rain Likely
    and Patchy
    Fog

Detailed Forecast

Tonight
Patchy frost after midnight. Otherwise, increasing clouds, with a low around 35. Light east wind.
Saturday
A chance of rain between 3pm and 5pm. Partly sunny, with a high near 55. East wind 5 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. Southeast wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 60. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 52. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 60.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 50.
Wednesday
A chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Partly sunny, with a high near 68.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 48.
Friday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calistoga CA
 38.58°N 122.59°W (Elev. 525 ft)
Last Update:
2:25 pm PST Feb 20, 2026
Forecast Valid:
4pm PST Feb 20, 2026-6pm PST Feb 27, 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