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

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. 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.

Rain

43°F

6°C

Humidity	92%
Wind Speed	SSE 3 MPH
Barometer	29.71 in (1006.1 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Last update	19 Feb 05:22 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 February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Extreme Cold Warning

Overnight
Low: 39 °F
Rain
Thursday
High: 47 °F
Rain Likely
then Slight
Chance Rain
Thursday Night
Low: 34 °F
Clear then
Patchy Frost
Friday
High: 48 °F
Areas Frost
then Partly
Sunny
Friday Night
Low: 39 °F
Partly Cloudy
Saturday
High: 51 °F
Slight Chance
Rain
Saturday Night
Low: 48 °F
Chance Rain
Sunday
High: 57 °F
Rain Likely
Sunday Night
Low: 54 °F
Rain Likely

Detailed Forecast

Overnight

Rain. Low around 39. South southeast wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Rain likely before noon, then a slight chance of rain after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 47. West northwest wind 14 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Patchy frost after midnight. Otherwise, mostly clear, with a low around 34. West northwest wind 5 to 9 mph, with gusts as high as 21 mph.

Friday

Areas of frost before 7am. Otherwise, partly sunny, with a high near 48. Light and variable wind becoming east around 5 mph in the morning.

Friday Night

Partly cloudy, with a low around 39. Calm wind becoming east around 5 mph after midnight.

Saturday

A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 51. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 48.

Sunday

Rain likely. Mostly cloudy, with a high near 57.