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Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii

Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 76%
Wind Speed SSW 6 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Mar 10:35 AM PDT
Extended Forecast for

2 Miles NW Napa Co. Airport CA

  • Today

    Today: Sunny, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Southwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 43. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Light and variable wind.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
Last Update:
8:00 am PDT Mar 10, 2026
Forecast Valid:
10am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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