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

Winter Storm Warning until February 19, 10:00 AM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

34°F

1°C

Humidity	94%
Wind Speed	SW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	18 Feb 10:52 PM PST

More Information:

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

Extended Forecast for

17 Miles NE Happy Camp CA

Winter Storm Warning February 18, 11:49pm until February 19, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning February 18, 11:49pm until February 19, 10:00am
NOW until 10:00am Thu
Winter Storm Warning
Tonight
Low: 24 °F
Heavy Snow
Thursday
High: 31 °F
Chance Snow
then Snow
Likely
Thursday Night
Low: 21 °F
Chance Snow
Friday
High: 35 °F
Slight Chance
Snow
Friday Night
Low: 29 °F
Chance Snow
and Breezy
Saturday
High: 39 °F
Chance Snow
and Windy
Saturday Night
Low: 36 °F
Snow and
Windy
Sunday
High: 41 °F
Snow and
Windy

Detailed Forecast

Tonight

Snow, mainly after 1am. The snow could be heavy at times. Low around 24. South southwest wind 10 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Thursday

Snow likely, mainly between 1pm and 3pm. Mostly cloudy, with a high near 31. South wind 5 to 8 mph becoming north in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday Night

A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21. North wind around 5 mph becoming light and variable in the evening. New snow accumulation of less than a half inch possible.

Friday

A 20 percent chance of snow. Partly sunny, with a high near 35. South wind 7 to 10 mph.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 29. Breezy, with a south southeast wind 15 to 20 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 39. Windy. New snow accumulation of less than a half inch possible.

Saturday Night

Snow, mainly after 10pm. Low around 36. Windy. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Sunday

Snow. Cloudy, with a high near 41. Windy.

Sunday Night

Rain and snow. Snow level 4800 feet. Cloudy, with a low around 39. Breezy.

Monday

Snow. Cloudy, with a high near 41. Breezy.

Monday Night

Snow. Cloudy, with a low around 35.