Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

79°F

26°C

Humidity	39%
Wind Speed	SSE 4 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	09 Sep 10:20 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSE Napa CA

Heat Advisory September 9, 10:43pm until September 10, 10:00pm

Coastal Flood Advisory September 9, 10:43pm until September 10, 01:00am

Click here for hazard details and duration

Heat Advisory

Coastal Flood Advisory

Heat Advisory September 9, 10:43pm until September 10, 10:00pm
Coastal Flood Advisory September 9, 10:43pm until September 10, 01:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 69 °F
Partly Cloudy
Thursday
High: 88 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Increasing
Clouds
Friday
High: 80 °F
Becoming
Sunny
Friday Night
Low: 55 °F
Mostly Clear
Saturday
High: 76 °F
Mostly Sunny
Saturday Night
Low: 53 °F
Mostly Clear
Sunday
High: 79 °F
Sunny

Detailed Forecast

Tonight

Partly cloudy, with a low around 69. Calm wind.

Thursday

Mostly sunny, with a high near 88. Light south wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Thursday Night

Increasing clouds, with a low around 57. South southwest wind 5 to 8 mph.

Friday

Partly sunny, then gradually becoming sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Friday Night

Mostly clear, with a low around 55. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

Saturday

Mostly sunny, with a high near 76.

Saturday Night

Mostly clear, with a low around 53.

Sunday

Sunny, with a high near 79.

Sunday Night

Mostly clear, with a low around 55.

Monday

Sunny, with a high near 80.