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 in effect from January 7, 01:00 PM PST until January 8, 01:00 AM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

46°F

8°C

Humidity	78%
Wind Speed	SSW 7 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	07 Jan 10:52 AM PST

More Information:

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

Extended Forecast for

12 Miles NNE Happy Camp CA

Winter Weather Advisory January 7, 01:00pm until January 8, 01:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 33 °F⇓
Heavy Snow
Tonight
Low: 21 °F
Heavy Snow
Thursday
High: 28 °F
Slight Chance
Snow then
Mostly Sunny
Thursday Night
Low: 22 °F
Partly Cloudy
Friday
High: 38 °F
Sunny
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 40 °F
Mostly Sunny
Saturday Night
Low: 30 °F
Mostly Cloudy
Sunday
High: 41 °F
Mostly Sunny

Detailed Forecast

Today

Snow, mainly after 3pm. The snow could be heavy at times. Temperature falling to around 27 by 5pm. Southwest wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow likely, mainly before 9pm. The snow could be heavy at times. Cloudy, then gradually becoming partly cloudy, with a low around 21. West northwest wind around 11 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Thursday

A 10 percent chance of snow before 7am. Mostly sunny, with a high near 28. Northeast wind 3 to 6 mph.

Thursday Night

Partly cloudy, with a low around 22. Northeast wind 5 to 7 mph becoming light and variable in the evening.

Friday

Sunny, with a high near 38. East southeast wind 10 to 14 mph.

Friday Night

Partly cloudy, with a low around 29.

Saturday

Mostly sunny, with a high near 40.

Saturday Night

Mostly cloudy, with a low around 30.