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 >

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

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

34°F

1°C

Humidity	96%
Wind Speed	SSE 0 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	33°F (1°C)
Visibility	NA
Last update	20 Feb 06:40 AM PST

More Information:

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

Extended Forecast for

6 Miles SSW Saint Helena CA

Extreme Cold Warning until February 20, 09:00am

Click here for hazard details and duration

...

Extreme Cold Warning until February 20, 09:00am
NOW until 9:00am Fri
Extreme Cold Warning
Today
High: 47 °F
Partly Sunny
Tonight
Low: 37 °F
Partly Cloudy
Saturday
High: 51 °F
Partly Sunny
Saturday Night
Low: 47 °F
Rain Likely
Sunday
High: 55 °F
Rain Likely
Sunday Night
Low: 51 °F
Chance Rain
Monday
High: 58 °F
Rain Likely
Monday Night
Low: 54 °F
Rain

Detailed Forecast

Today

Partly sunny, with a high near 47. North northeast wind around 6 mph becoming south in the afternoon.

Tonight

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

Saturday

Partly sunny, with a high near 51. South southeast wind 8 to 11 mph, with gusts as high as 24 mph.

Saturday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 47. Southeast wind around 11 mph, with gusts as high as 29 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 55. Southeast wind 11 to 13 mph, with gusts as high as 28 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. Mostly cloudy, with a low around 51. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

Monday Night

Rain. Cloudy, with a low around 54.

Tuesday

Rain. Cloudy, with a high near 57.

Tuesday Night

Rain likely. Cloudy, with a low around 52.

Wednesday

Rain likely. Mostly cloudy, with a high near 58.