High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

29°F

-2°C

Humidity	93%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	25 Jan 10:52 PM PST

More Information:

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

Extended Forecast for

12 Miles NE Happy Camp CA

Tonight
Low: 34 °F
Mostly Cloudy
Monday
High: 42 °F
Partly Sunny
Monday Night
Low: 34 °F
Mostly Cloudy
Tuesday
High: 43 °F
Partly Sunny
then Chance
Snow
Tuesday Night
Low: 36 °F
Snow Likely
Wednesday
High: 42 °F
Chance Snow
then Slight
Chance
Rain/Snow
Wednesday Night
Low: 36 °F
Slight Chance
Rain/Snow
Thursday
High: 46 °F
Slight Chance
Rain/Snow
then Mostly
Sunny
Thursday Night
Low: 40 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 34. South wind around 14 mph, with gusts as high as 21 mph.

Monday

Partly sunny, with a high near 42. South wind 9 to 13 mph, with gusts as high as 20 mph.

Monday Night

Mostly cloudy, with a low around 34. Southeast wind 14 to 16 mph, with gusts as high as 24 mph.

Tuesday

A 30 percent chance of snow after 4pm. Partly sunny, with a high near 43. South wind 13 to 16 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.

Tuesday Night

Snow likely, mainly between 10pm and 4am. Mostly cloudy, with a low around 36. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday

A chance of snow before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday Night

A slight chance of rain and snow. Snow level 5800 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 20%.

Thursday

A slight chance of rain and snow before 10am. Snow level 5800 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 46.

Thursday Night

Mostly cloudy, with a low around 40.

Friday

A slight chance of rain before 10am, then a slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level 6700 feet. Mostly cloudy, with a high near 49.

Friday Night

A chance of rain. Snow level 6800 feet. Mostly cloudy, with a low around 40.

Saturday

A chance of rain. Snow level 6500 feet. Partly sunny, with a high near 48.

Saturday Night

A chance of rain and snow. Snow level 6400 feet. Mostly cloudy, with a low around 39.

Sunday

A chance of rain and snow. Snow level 5800 feet. Partly sunny, with a high near 46.