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

3 Miles SE Illinois Valley OR

Winter Weather Advisory January 7, 03:40pm until January 8, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 7, 03:40pm until January 8, 10:00am
NOW until 10:00am Thu
Winter Weather Advisory
This Afternoon
High: 39 °F
Showers
Tonight
Low: 26 °F
Rain/Snow
Likely
Thursday
High: 40 °F
Slight Chance
Snow then
Mostly Sunny
Thursday Night
Low: 24 °F
Partly Cloudy
Friday
High: 48 °F
Mostly Sunny
Friday Night
Low: 29 °F
Partly Cloudy
Saturday
High: 49 °F
Partly Sunny
Saturday Night
Low: 31 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Rain before 4pm, then showers and possibly a thunderstorm after 4pm. Snow level 2900 feet. Steady temperature around 39. Southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain likely, possibly mixed with snow before 9pm, then a chance of rain between 9pm and midnight, then a chance of rain and snow after midnight. Some thunder is also possible. Snow level 2500 feet lowering to 1700 feet after midnight . Mostly cloudy, with a low around 26. South wind 3 to 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

A 10 percent chance of snow before 7am. Snow level rising to 2400 feet in the afternoon. Mostly sunny, with a high near 40. Calm wind.

Thursday Night

Partly cloudy, with a low around 24. Light north northeast wind.

Friday

Mostly sunny, with a high near 48. Calm wind.

Friday Night

Partly cloudy, with a low around 29.

Saturday

Partly sunny, with a high near 49.

Saturday Night

Mostly cloudy, with a low around 31.