National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

39°F

4°C

Humidity 86%
Wind Speed WNW 6 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Feb 01:00 AM PST
Extended Forecast for

7 Miles NE Yountville CA

Cold Weather Advisory until February 18, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 18, 09:00am

    NOW until 9:00am Wed

    Cold Weather Advisory

  • Overnight

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: A chance of rain and snow before 3pm, then a chance of rain between 3pm and 5pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 43. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow before 4am, then rain between 4am and 5am, then rain and snow after 5am. Steady temperature around 37. Light and variable wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 37 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow before 8am, then snow between 8am and 10am, then a chance of rain and snow after 10am. High near 42. West wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Widespread frost after 3am. Otherwise, mostly clear, with a low around 30. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 43.

    High: 43 °F

    Frost then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost, mainly between 2am and 4am. Otherwise, partly cloudy, with a low around 33. North northwest wind 7 to 11 mph, with gusts as high as 30 mph.
Wednesday
A chance of rain and snow before 3pm, then a chance of rain between 3pm and 5pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 43. Light and variable wind becoming west southwest 9 to 14 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow before 4am, then rain between 4am and 5am, then rain and snow after 5am. Steady temperature around 37. Light and variable wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow before 8am, then snow between 8am and 10am, then a chance of rain and snow after 10am. High near 42. West wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 30. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Friday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 43.
Friday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 36.
Saturday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 54.
Sunday Night
Rain. Cloudy, with a low around 52.
Monday
Rain. Cloudy, with a high near 54.
Monday Night
Rain. Cloudy, with a low around 48.
Tuesday
Rain. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Yountville CA
 38.45°N 122.27°W (Elev. 1998 ft)
Last Update:
12:27 am PST Feb 18, 2026
Forecast Valid:
1am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation