Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 18, 12:00 AM PST until February 18, 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

41°F

5°C

Humidity	86%
Wind Speed	N 0 MPH
Barometer	29.71 in (1006.1 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	17 Feb 08:20 PM PST

More Information:

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

Extended Forecast for

5 Miles SSW Saint Helena CA

Cold Weather Advisory February 18, 12:00am until February 18, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 38 °F
Partly Cloudy
then Chance
Rain/Snow
Wednesday
High: 47 °F
Chance
Rain/Snow
then Chance
Rain
Wednesday Night
Low: 40 °F
Rain
Thursday
High: 45 °F
Rain/Snow
then Chance
Rain/Snow
Thursday Night
Low: 35 °F
Slight Chance
Rain then
Mostly Clear
Friday
High: 47 °F
Chance Rain
Friday Night
Low: 39 °F
Chance Rain
Saturday
High: 50 °F
Rain Likely
Saturday Night
Low: 48 °F
Rain

Detailed Forecast

Tonight

A chance of rain and snow before 2am, then a chance of rain and snow after 3am. Partly cloudy, with a steady temperature around 38. West wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday

A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm. Partly sunny, with a high near 47. Light west southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

Rain, mainly after 9pm. Low around 40. Southwest wind 6 to 8 mph becoming south southeast in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday

Rain and snow before 1pm, then a chance of rain. High near 45. Northwest wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

A 20 percent chance of rain before 10pm. Mostly clear, with a low around 35. West northwest wind 5 to 9 mph, with gusts as high as 21 mph.

Friday

A 30 percent chance of rain, mainly between 10am and 4pm. Mostly sunny, with a high near 47. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.

Saturday

Rain likely, mainly after 10am. Partly sunny, with a high near 50.

Saturday Night

Rain. Mostly cloudy, with a low around 48.

Sunday

Rain. Cloudy, with a high near 56.

Sunday Night

Rain. Cloudy, with a low around 53.

Monday

Rain. Cloudy, with a high near 55.