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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Extreme Cold Warning in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

36°F

2°C

Humidity	93%
Wind Speed	N 0 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	20 Feb 01:20 AM PST

More Information:

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

Extended Forecast for

5 Miles NE Yountville CA

Extreme Cold Warning until February 20, 09:00am

Click here for hazard details and duration

Extreme Cold Warning

Extreme Cold Warning until February 20, 09:00am
NOW until 9:00am Fri
Extreme Cold Warning
Overnight
Low: 33 °F
Areas Frost
Friday
High: 48 °F
Partly Sunny
Friday Night
Low: 37 °F
Partly Cloudy
Saturday
High: 52 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 45 °F
Rain Likely
Sunday
High: 58 °F
Rain Likely
Sunday Night
Low: 50 °F
Chance Rain
Monday
High: 60 °F
Chance Rain

Detailed Forecast

Overnight

Areas of frost before 2am. Otherwise, mostly clear, with a low around 33. North northwest wind around 6 mph.

Friday

Partly sunny, with a high near 48. East wind around 6 mph becoming south in the afternoon.

Friday Night

Partly cloudy, with a low around 37. East southeast wind 3 to 6 mph.

Saturday

A 10 percent chance of rain after 4pm. Partly sunny, with a high near 52. South southeast wind 8 to 11 mph, with gusts as high as 21 mph.

Saturday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 45. South southeast wind around 14 mph, with gusts as high as 28 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 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 50.

Monday

A chance of rain. Mostly cloudy, with a high near 60.

Monday Night

Rain likely. Cloudy, with a low around 54.

Tuesday

Rain. Cloudy, with a high near 57.

Tuesday Night

Rain likely. Cloudy, with a low around 51.

Wednesday

Rain likely. Mostly cloudy, with a high near 59.