Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075° N Lon: 122.27944° W Elev: 33.0 ft.

Clear

52°F

11°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 06 Sep 02:54 AM PDT
Detailed forecast for

North Bay Interior Mountains

Rest Of Tonight
Mostly clear. Lows in the lower to mid 50s. Light winds.
Sunday
Sunny. Highs in the 60s to upper 70s. West winds 5 to 10 mph.
Sunday Night
Clear. Lows in the 50s. West winds 5 to 10 mph... Becoming north after midnight.
Labor Day
Sunny. Highs in the upper 70s to mid 80s. North winds 5 to 10 mph.
Monday Night
Clear. Lows in the upper 50s to mid 60s. West winds up to 5 mph in the evening...becoming light.
Tuesday
Sunny. Highs in the 80s.
Tuesday Night And Wednesday
Partly cloudy. Lows in the 60s. Highs in the mid 80s to lower 90s.
Wednesday Night
Partly cloudy. Lows in the lower 70s.
Thursday And Thursday Night
Mostly clear. Highs in the 80s to mid 90s. Lows in the 60s.
Friday And Friday Night
Partly cloudy. Highs in the 70s to mid 80s. Lows in the lower 60s.
Saturday
Partly cloudy in the morning then becoming sunny. A slight chance of rain. Highs in the 70s to lower 80s.



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302 AM PDT Sun Sep 6 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database