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

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California 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	NW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	31 Dec 07:52 AM PST

More Information:

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

Extended Forecast for

14 Miles S Murphy OR

Air Stagnation Advisory December 31, 08:40am until December 31, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 08:40am until December 31, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
Today
High: 50 °F
Mostly Sunny
then Slight
Chance Rain
Tonight
Low: 43 °F
Rain Likely
New Year's Day
High: 47 °F
Rain
Thursday Night
Low: 44 °F
Rain then
Chance Rain
Friday
High: 49 °F
Rain
Friday Night
Low: 40 °F
Rain
Saturday
High: 42 °F
Rain
Saturday Night
Low: 38 °F
Rain/Snow

Detailed Forecast

Today

A 20 percent chance of rain after 3pm. Snow level 6100 feet rising to 7700 feet in the afternoon. Partly sunny, with a high near 50. South wind 5 to 7 mph.

Tonight

Rain likely, mainly after 2am. Cloudy, with a low around 43. South southwest wind 6 to 8 mph becoming east southeast after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 47. South wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain, mainly before 10pm. Low around 44. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain, mainly after 10am. Snow level 6600 feet. High near 49. South southeast wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Friday Night

Rain. Snow level 5900 feet. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Rain. Snow level 5100 feet. High near 42. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Rain before 10pm, then rain likely, possibly mixed with snow. Snow level 4700 feet. Mostly cloudy, with a low around 38.

Sunday

Rain, possibly mixed with snow. Snow level 4400 feet. Mostly cloudy, with a high near 40.

Sunday Night

Rain likely, possibly mixed with snow. Snow level 4400 feet. Mostly cloudy, with a low around 37.

Monday

Rain and snow likely. Snow level 4400 feet. Mostly cloudy, with a high near 41.