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

48°F

9°C

Humidity 66%
Wind Speed E 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 Feb 11:35 AM PST
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Today

    Today: Partly sunny, with a high near 47. East wind around 5 mph becoming south southeast in the afternoon.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost after 11pm.  Otherwise, increasing clouds, with a low around 35. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 35 °F

    Patchy Frost

  • Saturday

    Saturday: A slight chance of rain between 4pm and 5pm.  Partly sunny, with a high near 52. South wind 6 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm.  Partly cloudy, with a low around 43. South southeast wind around 10 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain.  Mostly cloudy, with a high near 58. South wind around 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Cloudy, with a low around 53.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 56.

    High: 56 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 47. East wind around 5 mph becoming south southeast in the afternoon.
Tonight
Patchy frost after 11pm. Otherwise, increasing clouds, with a low around 35. Calm wind becoming east southeast around 5 mph after midnight.
Saturday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 52. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 43. South southeast wind around 10 mph, with gusts as high as 22 mph.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 58. South wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 46. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 61.
Monday Night
Rain, mainly after 10pm. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
11:40 am PST Feb 20, 2026
11am 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