Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 8, 10:00 AM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

39°F

4°C

Humidity	95%
Wind Speed	SSW 4 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	07 Jan 02:52 PM PST

More Information:

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

Extended Forecast for

8 Miles WNW Illinois Valley OR

Winter Weather Advisory January 7, 03:17pm until January 8, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 7, 03:17pm until January 8, 10:00am
NOW until 10:00am Thu
Winter Weather Advisory
This Afternoon
High: 34 °F
Heavy Snow
Tonight
Low: 28 °F
Heavy Snow
Thursday
High: 36 °F
Slight Chance
Snow then
Mostly Sunny
Thursday Night
Low: 27 °F
Mostly Cloudy
Friday
High: 44 °F
Mostly Sunny
Friday Night
Low: 32 °F
Partly Cloudy
Saturday
High: 45 °F
Partly Sunny
Saturday Night
Low: 33 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 34. West southwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow showers before 10pm, then snow likely, mainly between 10pm and 4am. The snow could be heavy at times. Some thunder is also possible. Low around 28. West northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Thursday

A 10 percent chance of snow before 7am. Mostly sunny, with a high near 36. Light north wind.

Thursday Night

Mostly cloudy, with a low around 27. Northeast wind 6 to 8 mph.

Friday

Mostly sunny, with a high near 44. East wind 6 to 8 mph.

Friday Night

Partly cloudy, with a low around 32.

Saturday

Partly sunny, with a high near 45.

Saturday Night

Mostly cloudy, with a low around 33.