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.

28°F

-2°C

Humidity	95%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	25 Jan 11:52 PM PST

More Information:

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

Extended Forecast for

Illinois Valley OR

Overnight
Low: 29 °F
Patchy Fog
Monday
High: 53 °F
Patchy Fog
then Partly
Sunny
Monday Night
Low: 33 °F
Mostly Cloudy
Tuesday
High: 53 °F
Chance Rain
then Rain
Tuesday Night
Low: 37 °F
Rain then
Chance Rain
Wednesday
High: 53 °F
Chance Rain
Wednesday Night
Low: 36 °F
Chance Rain
Thursday
High: 56 °F
Chance Rain
Thursday Night
Low: 39 °F
Slight Chance
Rain

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind.

Monday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 53. Calm wind.

Monday Night

Mostly cloudy, with a low around 33. Calm wind.

Tuesday

Rain, mainly after 4pm. Snow level 4400 feet rising to 5200 feet in the afternoon. High near 53. Light southwest wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain, mainly before 10pm. Low around 37. Light south wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 53. Chance of precipitation is 30%.

Wednesday Night

A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36.

Thursday

A chance of rain, mainly before 10am. Partly sunny, with a high near 56.

Thursday Night

A slight chance of rain. Mostly cloudy, with a low around 39.

Friday

A chance of rain. Mostly cloudy, with a high near 57.

Friday Night

A chance of rain. Mostly cloudy, with a low around 40.