Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. 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.

Partly Cloudy

53°F

12°C

Humidity	46%
Wind Speed	NW 14 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	19 Feb 03:53 PM PST

More Information:

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

Extended Forecast for

7 Miles WSW 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: 32 °F
Clear then
Frost
Friday
High: 51 °F
Areas Frost
then Partly
Sunny
Friday Night
Low: 38 °F
Partly Cloudy
then Slight
Chance Rain
Saturday
High: 54 °F
Chance Rain
Saturday Night
Low: 48 °F
Rain Likely
Sunday
High: 57 °F
Rain Likely
Sunday Night
Low: 52 °F
Rain Likely
Monday
High: 60 °F
Rain Likely
Monday Night
Low: 54 °F
Rain

Detailed Forecast

Tonight

Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. West northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 23 mph.

Friday

Areas of frost before 9am. Otherwise, mostly sunny, with a high near 51. Light and variable wind.

Friday Night

A 10 percent chance of rain after 4am. Partly cloudy, with a low around 38. Calm wind.

Saturday

A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 54. South southeast wind 5 to 10 mph, with gusts as high as 23 mph.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48. South southeast wind around 8 mph, with gusts as high as 24 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 tenth and quarter of an inch possible.

Sunday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 52. Chance of precipitation is 60%.

Monday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 60.

Monday Night

Rain. Cloudy, with a low around 54.

Tuesday

Rain. Cloudy, with a high near 59.

Tuesday Night

Rain likely. Cloudy, with a low around 50.

Wednesday

Rain likely. Mostly cloudy, with a high near 61.