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.

32°F

0°C

Humidity	99%
Wind Speed	SW 2 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	31 Dec 03:52 AM PST

More Information:

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

Extended Forecast for

17 Miles SSE Agness OR

Air Stagnation Advisory December 31, 04:09am until December 31, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 04:09am until December 31, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
Today
High: 54 °F
Partly Sunny
then Slight
Chance Rain
Tonight
Low: 44 °F
Chance Rain
then Rain
New Year's Day
High: 49 °F
Rain
Thursday Night
Low: 47 °F
Rain
Friday
High: 50 °F
Rain
Friday Night
Low: 42 °F
Showers
Saturday
High: 43 °F
Rain and
Breezy
Saturday Night
Low: 41 °F
Rain

Detailed Forecast

Today

A 20 percent chance of rain after 3pm. Partly sunny, with a high near 54. South southwest wind 6 to 10 mph.

Tonight

Rain, mainly after 1am. Low around 44. South wind around 7 mph becoming east after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 49. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 47. South wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 50. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 42. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Saturday

Rain. Snow level 5000 feet. High near 43. Breezy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Saturday Night

Rain. Snow level 4700 feet. Cloudy, with a low around 41.

Sunday

Rain. Snow level 4400 feet. Cloudy, with a high near 42.

Sunday Night

Rain. Snow level 4400 feet. Mostly cloudy, with a low around 38.

Monday

Rain likely. Snow level 4400 feet. Mostly cloudy, with a high near 43.

Monday Night

A chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 36.

Tuesday

A chance of rain. Snow level 4500 feet. Partly sunny, with a high near 45.