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.

Rain

50°F

10°C

Humidity 81%
Wind Speed SSW 24 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 17 Feb 06:15 AM PST
Extended Forecast for

7 Miles S Lake Berryessa CA

Cold Weather Advisory February 18, 12:00am until February 18, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Today

    Today: Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Steady temperature around 44. West southwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 44 °F

    Showers

  • Tonight

    Tonight: Rain likely, possibly mixed with snow before 8pm, then rain likely between 8pm and 10pm, then a chance of rain and snow after 10pm. Partly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light west. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain likely. Partly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 38. South southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain. High near 48. South southwest wind 11 to 13 mph becoming west in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A chance of rain and snow before 10am, then a chance of rain. Mostly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

Today
Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Steady temperature around 44. West southwest wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain likely, possibly mixed with snow before 8pm, then rain likely between 8pm and 10pm, then a chance of rain and snow after 10pm. Partly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light west. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 10am, then rain likely. Partly sunny, with a high near 49. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 38. South southeast wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 48. South southwest wind 11 to 13 mph becoming west in the morning. Winds could gust as high as 26 mph. 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. Partly cloudy, with a low around 32.
Friday
A chance of rain and snow before 10am, then a chance of rain. Mostly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 52.
Saturday Night
Rain likely. Mostly cloudy, with a low around 44.
Sunday
Rain. Cloudy, with a high near 56.
Sunday Night
Rain. Cloudy, with a low around 49.
Monday
Rain. Cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
Last Update:
3:53 am PST Feb 17, 2026
Forecast Valid:
6am 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