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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 82%
Wind Speed SW 9 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Aug 02:15 AM PDT
Extended Forecast for

5 Miles ESE Angwin CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 53. Light south southwest wind.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 53. Light south southwest wind.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Angwin CA
 38.55°N 122.38°W (Elev. 974 ft)
Last Update:
1:51 am PDT Aug 14, 2026
Forecast Valid:
2am PDT Aug 14, 2026-6pm PDT Aug 20, 2026
 
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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