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

Cold Weather Advisory until February 21, 09:00 AM PST

Current conditions at

KF6YUA Sebastopol (AR323)

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

36°F

2°C

Humidity	99%
Wind Speed	SE 1 MPH
Barometer	30.16 in (1021.34 mb)
Dewpoint	36°F (2°C)
Visibility	NA
Last update	21 Feb 05:24 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

Cold Weather Advisory February 21, 05:39am until February 21, 09:00am

Click here for hazard details and duration

...

Cold Weather Advisory February 21, 05:39am until February 21, 09:00am
NOW until 9:00am Sat
Cold Weather Advisory
Today
High: 51 °F
Decreasing
Clouds
Tonight
Low: 45 °F
Mostly Cloudy
then Chance
Rain
Sunday
High: 56 °F
Chance Rain
Sunday Night
Low: 48 °F
Slight Chance
Rain then
Mostly Cloudy
Monday
High: 59 °F
Partly Sunny
then Chance
Rain
Monday Night
Low: 54 °F
Rain Likely
Tuesday
High: 58 °F
Rain
Tuesday Night
Low: 53 °F
Rain

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 51. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

Tonight

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 45. South southeast wind around 9 mph, with gusts as high as 24 mph.

Sunday

A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 56. South wind around 9 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 48. South wind around 5 mph becoming light and variable in the evening.

Monday

A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 59. East northeast wind around 6 mph becoming south southeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Rain likely, mainly after 10pm. Cloudy, with a low around 54. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Rain. High near 58. Chance of precipitation is 90%.

Tuesday Night

Rain, mainly before 10pm. Cloudy, with a low around 53.

Wednesday

A chance of rain. Mostly cloudy, with a high near 58.

Wednesday Night

A chance of rain. Mostly cloudy, with a low around 49.

Thursday

A chance of rain. Mostly sunny, with a high near 62.

Thursday Night

A slight chance of rain. Partly cloudy, with a low around 51.