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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

44°F

7°C

Humidity 70%
Wind Speed WNW 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Feb 07:54 PM PST
Extended Forecast for

5 Miles W Napa Co. Airport CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  • Tonight

    Tonight: Widespread frost, mainly after 4am.  Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 32 °F

    Clear then
    Frost

  • Friday

    Friday: Patchy fog before 8am. Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 51. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 51 °F

    Frost and
    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 36. Calm wind.

    Low: 36 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 56. Southeast wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 46. Southeast wind around 10 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: 46 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 60. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming east southeast around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 36. Calm wind.
Saturday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56. Southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 46. Southeast wind around 10 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. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 50.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 62.
Monday Night
Rain. Cloudy, with a low around 52.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely. Cloudy, with a low around 48.
Wednesday
Rain likely. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
12:26 pm PST Feb 19, 2026
8pm PST Feb 19, 2026-6pm PST Feb 26, 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