Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

47°F

8°C

Humidity	73%
Wind Speed	N 4 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	20 Feb 10:54 AM PST

More Information:

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

Extended Forecast for

4 Miles E Saint Helena CA

Today
High: 50 °F
Partly Sunny
Tonight
Low: 34 °F
Patchy Frost
and Patchy
Fog
Saturday
High: 55 °F
Patchy Frost
then Partly
Sunny
Saturday Night
Low: 44 °F
Rain Likely
Sunday
High: 59 °F
Rain Likely
Sunday Night
Low: 49 °F
Chance Rain
and Patchy
Fog
Monday
High: 62 °F
Rain Likely
and Patchy
Fog
Monday Night
Low: 52 °F
Rain and
Patchy Fog
Tuesday
High: 59 °F
Rain and
Patchy Fog

Detailed Forecast

Today

Partly sunny, with a high near 50. Light south southeast wind.

Tonight

Patchy fog after 11pm. Patchy frost after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.

Saturday

Patchy frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

Saturday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 44. South southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 59. South wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

A 50 percent chance of rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 49. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 62. Chance of precipitation is 60%.

Monday Night

Rain. Patchy fog after 1am. Otherwise, cloudy, with a low around 52.

Tuesday

Rain. Patchy fog before 10am. Otherwise, cloudy, with a high near 59.

Tuesday Night

Rain likely. Patchy fog after 10pm. Otherwise, cloudy, with a low around 48.

Wednesday

Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 62.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 48.