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

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

39°F

4°C

Humidity	80%
Wind Speed	N 0 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	19 Feb 11:15 PM PST

More Information:

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

Extended Forecast for

4 Miles W Saint Helena CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Extreme Cold Warning

Tonight
Low: 35 °F
Mostly Clear
Friday
High: 46 °F
Mostly Sunny
Friday Night
Low: 43 °F
Partly Cloudy
then Slight
Chance Rain
Saturday
High: 52 °F
Chance Rain
Saturday Night
Low: 50 °F
Rain Likely
Sunday
High: 57 °F
Rain Likely
Sunday Night
Low: 55 °F
Rain Likely
Monday
High: 58 °F
Rain Likely
Monday Night
Low: 55 °F
Rain

Detailed Forecast

Tonight

Mostly clear, with a low around 35. West northwest wind 6 to 8 mph.

Friday

Mostly sunny, with a high near 46. East wind around 6 mph.

Friday Night

A 10 percent chance of rain after 4am. Partly cloudy, with a steady temperature around 43. East wind around 6 mph.

Saturday

A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 52. South southeast wind 9 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 50. South southeast wind around 14 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

Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 55. Chance of precipitation is 60%.

Monday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 58.

Monday Night

Rain. Cloudy, with a low around 55.

Tuesday

Rain. Cloudy, with a high near 59.

Tuesday Night

Rain likely. Mostly cloudy, with a low around 52.

Wednesday

Rain likely. Mostly cloudy, with a high near 56.