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

11 Miles NNE Happy Camp CA

Tonight
Low: 35 °F
Mostly Cloudy
Monday
High: 45 °F
Partly Sunny
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 45 °F
Partly Sunny
then Chance
Rain
Tuesday Night
Low: 36 °F
Rain Likely
Wednesday
High: 44 °F
Chance Rain
Wednesday Night
Low: 36 °F
Slight Chance
Rain
Thursday
High: 49 °F
Slight Chance
Rain
Thursday Night
Low: 41 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 35. South southwest wind around 10 mph.

Monday

Partly sunny, with a high near 45. South southwest wind 6 to 10 mph.

Monday Night

Mostly cloudy, with a low around 35. Southeast wind 10 to 13 mph, with gusts as high as 20 mph.

Tuesday

A 30 percent chance of rain after 4pm. Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 45. South wind 11 to 13 mph, with gusts as high as 20 mph.

Tuesday Night

Rain likely, mainly between 10pm and 4am. Snow level 5400 feet. Mostly cloudy, with a low around 36. South wind 9 to 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 40 percent chance of rain, mainly before 10am. Snow level 5500 feet. Partly sunny, with a high near 44.

Wednesday Night

A 20 percent chance of rain. Snow level 5800 feet. Mostly cloudy, with a low around 36.

Thursday

A slight chance of rain. Snow level 5800 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 49.

Thursday Night

Mostly cloudy, with a low around 41.

Friday

A slight chance of rain. Snow level 6700 feet. Mostly cloudy, with a high near 51.

Friday Night

A chance of rain. Snow level 6800 feet. Mostly cloudy, with a low around 41.