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

50°F

10°C

Humidity 57%
Wind Speed W 23 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Feb 05:35 PM PST
Extended Forecast for

2 Miles SSW Lake Berryessa 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: Areas of frost before 1am, then widespread frost after 2am.  Otherwise, clear, with a low around 32. West northwest wind 6 to 11 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Clear then
    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 46. East southeast wind 3 to 6 mph.

    High: 46 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. East southeast wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 50. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 46. South southeast wind around 11 mph, with gusts as high as 23 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Rain Likely

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Cloudy, with a low around 54.

    Low: 54 °F

    Rain

Detailed Forecast

Tonight
Areas of frost before 1am, then widespread frost after 2am. Otherwise, clear, with a low around 32. West northwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 46. East southeast wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 36. East southeast wind 3 to 5 mph.
Saturday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 50. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. South southeast wind around 11 mph, with gusts as high as 23 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Monday
A chance of rain. Mostly cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 51.
Wednesday
Rain likely. Mostly cloudy, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
12:26 pm PST Feb 19, 2026
5pm 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