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

4 Miles WSW Yountville CA

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

    Today: Partly sunny, with a high near 48. Light south southeast wind.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Light southeast wind.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain between 4pm and 5pm.  Partly sunny, with a high near 53. Southeast wind 5 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 10%.

    High: 53 °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. South southeast wind around 9 mph, with gusts as high as 25 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain.  Mostly cloudy, with a high near 59. South wind around 8 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Cloudy, with a low around 54.

    Low: 54 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Today
Partly sunny, with a high near 48. Light south southeast wind.
Tonight
Partly cloudy, with a low around 37. Light southeast wind.
Saturday
A slight chance of rain between 4pm and 5pm. Partly sunny, with a high near 53. Southeast wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Saturday Night
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. South southeast wind around 9 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 59. South wind around 8 mph, with gusts as high as 18 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 48.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 62.
Monday Night
Rain, mainly after 10pm. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Partly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Yountville CA
 38.38°N 122.42°W (Elev. 1030 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