Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

81°F

27°C

Humidity	35%
Wind Speed	SSW 14 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	14 Sep 02:54 PM PDT

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

Tonight
Low: 52 °F
Mostly Clear
then Patchy
Fog
Tuesday
High: 85 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
then Patchy
Fog
Wednesday
High: 79 °F
Areas Fog
then Sunny
Wednesday Night
Low: 50 °F
Patchy Fog
Thursday
High: 79 °F
Areas Fog
then Sunny
Thursday Night
Low: 51 °F
Patchy Fog
Friday
High: 85 °F
Areas Fog
then Sunny
Friday Night
Low: 52 °F
Clear then
Patchy Fog

Detailed Forecast

Tonight

Patchy fog after 4am. Otherwise, mostly clear, with a low around 52. Light and variable wind.

Tuesday

Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.

Tuesday Night

Patchy fog after midnight. Otherwise, increasing clouds, with a low around 50. South southwest wind around 5 mph becoming calm in the evening.

Wednesday

Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 79. Calm wind becoming south southwest around 6 mph in the afternoon.

Wednesday Night

Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm in the evening.

Thursday

Areas of fog before 10am. Otherwise, mostly sunny, with a high near 79.

Thursday Night

Patchy fog after 11pm. Otherwise, mostly clear, with a low around 51.

Friday

Areas of fog before 9am. Otherwise, sunny, with a high near 85.

Friday Night

Patchy fog after 3am. Otherwise, mostly clear, with a low around 52.

Saturday

Areas of fog before 9am. Otherwise, sunny, with a high near 88.