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 >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

53°F

12°C

Humidity 58%
Wind Speed E 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Feb 01:54 PM PST
Extended Forecast for

5 Miles W Napa Co. Airport CA

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

    This Afternoon: Partly sunny, with a high near 50. South southeast wind around 6 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost after 1am.  Otherwise, increasing clouds, with a low around 35. Light east wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: A slight chance of rain between 4pm and 5pm.  Partly sunny, with a high near 56. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 10%.

    High: 56 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm.  Mostly cloudy, with a low around 45. Southeast wind around 10 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 4pm.  Mostly cloudy, with a high near 62. South wind 8 to 11 mph.

    High: 62 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 52.

    Low: 52 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 59.

    High: 59 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. South southeast wind around 6 mph.
Tonight
Patchy frost after 1am. Otherwise, increasing clouds, with a low around 35. Light east wind.
Saturday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 56. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. Southeast wind around 10 mph, with gusts as high as 22 mph.
Sunday
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 62. South wind 8 to 11 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 45.
Monday
A 30 percent chance of rain, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 52.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 50.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Thursday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 66.
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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 20, 2026
2pm PST Feb 20, 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