Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity	63%
Wind Speed	N 0 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	09 Sep 04:00 AM PDT

More Information:

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

Extended Forecast for

4 Miles NW Napa CA

Heat Advisory September 9, 04:19am until September 10, 10:00pm

Coastal Flood Advisory September 9, 04:19am until September 10, 01:00am

Click here for hazard details and duration

Heat Advisory

Coastal Flood Advisory

Heat Advisory September 9, 04:19am until September 10, 10:00pm
Coastal Flood Advisory September 9, 04:19am until September 10, 01:00am
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 98 °F
Hot
Tonight
Low: 67 °F
Partly Cloudy
Thursday
High: 93 °F
Becoming
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 53 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 52 °F
Mostly Clear

Detailed Forecast

Today

Mostly sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.

Tonight

Partly cloudy, with a low around 67. Calm wind.

Thursday

Partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

Mostly clear, with a low around 56. Southwest wind around 6 mph becoming calm in the evening.

Friday

Sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the afternoon.

Friday Night

Mostly clear, with a low around 53.

Saturday

Sunny, with a high near 79.

Saturday Night

Mostly clear, with a low around 52.

Sunday

Sunny, with a high near 83.