Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

77°F

25°C

Humidity 44%
Wind Speed SSW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 May 01:20 PM PDT
Extended Forecast for

Napa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. South southwest wind 6 to 8 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 50. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 50. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 50 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. South southwest wind 6 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 50. Southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 49.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Memorial Day
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
1:26 pm PDT May 21, 2026
1pm PDT May 21, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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