Severe Thunderstorms in the Northeast and Northern Plains; Critical Fire Weather in the West

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota today. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula today. Critical fire weather conditions will persist today over parts of the interior Northwest and Great Basin. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity	67%
Wind Speed	SSW 11 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	03 Jul 10:20 AM PDT

More Information:

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

Extended Forecast for

5 Miles SE Saint Helena CA

Today
High: 89 °F
Mostly Sunny
Tonight
Low: 51 °F
Partly Cloudy
Independence Day
High: 82 °F
Sunny
Friday Night
Low: 48 °F
Clear then
Patchy Fog
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 50 °F
Clear then
Areas Fog
Sunday
High: 87 °F
Patchy Fog
then Sunny
Sunday Night
Low: 50 °F
Clear then
Patchy Fog
Monday
High: 87 °F
Patchy Fog
then Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 89. Southeast wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

Tonight

Partly cloudy, with a low around 51. West wind 16 to 21 mph becoming light and variable. Winds could gust as high as 26 mph.

Independence Day

Sunny, with a high near 82. Light southwest wind becoming west southwest 15 to 20 mph in the morning. Winds could gust as high as 25 mph.

Friday Night

Patchy fog after 3am. Otherwise, increasing clouds, with a low around 48. West wind 12 to 17 mph becoming light southwest in the evening. Winds could gust as high as 21 mph.

Saturday

Sunny, with a high near 86. Southeast wind 5 to 8 mph.

Saturday Night

Areas of fog after 5am. Otherwise, mostly clear, with a low around 50.

Sunday

Patchy fog before 7am. Otherwise, sunny, with a high near 87.

Sunday Night

Patchy fog after 3am. Otherwise, mostly clear, with a low around 50.

Monday

Patchy fog before 8am. Otherwise, sunny, with a high near 87.

Monday Night

Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.