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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

50°F

10°C

Humidity 79%
Wind Speed SSW 18 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 17 Feb 04:54 AM PST
Extended Forecast for

Napa CA

Coastal Flood Advisory February 17, 05:00am until February 17, 03:00pm
Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Coastal Flood Advisory
Cold Weather Advisory
  •  
    Coastal Flood Advisory February 17, 05:00am until February 17, 03:00pm

    NOW until 3:00pm Tue

    Coastal Flood Advisory

  • Overnight

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 50. South southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 34. West wind 5 to 7 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Partly sunny, with a high near 51. Light west southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 38. South southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A chance of rain. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 51.

    High: 51 °F

    Chance Rain
    and Areas Fog

Detailed Forecast

Overnight
Rain. Steady temperature around 43. South southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain before 7am, then showers and possibly a thunderstorm, mainly after 7am. High near 50. South southwest wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 34. West wind 5 to 7 mph becoming calm. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly after 10am. Partly sunny, with a high near 51. Light west southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 38. South southwest wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of rain. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 32.
Friday
A chance of rain. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 51.
Friday Night
A chance of rain. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 37.
Saturday
A chance of rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 55.
Saturday Night
Rain likely. Cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 58.
Sunday Night
Rain. Cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
3:53 am PST Feb 17, 2026
Forecast Valid:
5am PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation