Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory until December 31, 04:00 PM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

29°F

-2°C

Humidity	98%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	30 Dec 07:52 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

Air Stagnation Advisory December 30, 08:38pm until December 31, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 30, 08:38pm until December 31, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
Tonight
Low: 40 °F
Partly Cloudy
Wednesday
High: 50 °F
Mostly Sunny
then Slight
Chance Rain
Wednesday Night
Low: 41 °F
Rain Likely
New Year's Day
High: 45 °F
Rain
Thursday Night
Low: 44 °F
Rain
Friday
High: 46 °F
Rain
Friday Night
Low: 38 °F
Heavy Rain
Saturday
High: 39 °F
Rain/Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 40. South wind 5 to 7 mph.

Wednesday

A 10 percent chance of rain after 4pm. Snow level 5700 feet. Partly sunny, with a high near 50. South wind around 6 mph becoming calm in the afternoon.

Wednesday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 45. South southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Low around 44. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. Snow level 6400 feet. High near 46. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Friday Night

Rain. The rain could be heavy at times. Snow level 5900 feet lowering to 5100 feet after midnight . Low around 38. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Saturday

Rain, possibly mixed with snow. Snow level 4700 feet. Cloudy, with a high near 39.

Saturday Night

Rain, possibly mixed with snow. Snow level 4300 feet. Mostly cloudy, with a low around 37.

Sunday

Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 4100 feet. Mostly cloudy, with a high near 39.

Sunday Night

Rain likely, possibly mixed with snow. Snow level 4300 feet. Mostly cloudy, with a low around 36.

Monday

Rain likely, possibly mixed with snow. Snow level 4400 feet. Mostly cloudy, with a high near 42.

Monday Night

A chance of rain and snow. Snow level 4300 feet. Mostly cloudy, with a low around 33.