Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. 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	S 0 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	30 Dec 06:52 AM PST

More Information:

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

Extended Forecast for

11 Miles WSW Wilderville OR

Air Stagnation Advisory December 30, 07:48am until December 31, 04:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 30, 07:48am until December 31, 04:00pm
NOW until 4:00pm Wed
Air Stagnation Advisory
Today
High: 48 °F
Sunny
Tonight
Low: 42 °F
Increasing
Clouds
Wednesday
High: 48 °F
Partly Sunny
then Chance
Showers
Wednesday Night
Low: 40 °F
Showers
Likely
New Year's Day
High: 44 °F
Rain
Thursday Night
Low: 41 °F
Rain
Friday
High: 43 °F
Rain then
Rain/Snow
Friday Night
Low: 36 °F
Rain/Snow and
Breezy

Detailed Forecast

Today

Sunny, with a high near 48. South southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

Tonight

Increasing clouds, with a low around 42. South wind 8 to 11 mph.

Wednesday

A 30 percent chance of showers after 4pm. Snow level 5500 feet rising to 6500 feet in the afternoon. Partly sunny, with a high near 48. South southeast wind 7 to 11 mph.

Wednesday Night

Showers likely, mainly between 10pm and 4am, then rain likely after 4am. Snow level 6800 feet rising to 7800 feet after midnight. Mostly cloudy, with a low around 40. South wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

New Year's Day

Rain. High near 44. South southeast wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain. Snow level 7200 feet. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain before 4pm, then rain, possibly mixed with snow. Snow level 6400 feet. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

Rain and snow. Snow level 5400 feet lowering to 4700 feet after midnight . Cloudy, with a low around 36. Breezy.

Saturday

Rain and snow. Snow level 4300 feet. Cloudy, with a high near 38. Breezy.

Saturday Night

Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 35.

Sunday

Rain and snow likely. Mostly cloudy, with a high near 38.

Sunday Night

Rain and snow likely. Snow level 4300 feet. Mostly cloudy, with a low around 33.

Monday

Rain and snow likely. Snow level 4400 feet. Mostly cloudy, with a high near 39.