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 in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

Leavenworth (LVN11)

Lat: 47.59119°NLon: 120.67132°WElev: 1190.0ft.

30°F

-1°C

Humidity	74%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	30 Dec 11:00 AM PST

More Information:

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

Extended Forecast for

13 Miles SW Leavenworth WA

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
This Afternoon
High: 31 °F
Mostly Sunny
Tonight
Low: 24 °F
Partly Cloudy
Wednesday
High: 30 °F
Partly Sunny
Wednesday Night
Low: 16 °F
Mostly Cloudy
New Year's Day
High: 23 °F
Chance Snow
Thursday Night
Low: 19 °F
Snow Likely
Friday
High: 23 °F
Snow Likely
Friday Night
Low: 21 °F
Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 31. Southeast wind 10 to 13 mph.

Tonight

Partly cloudy, with a steady temperature around 24. West wind 7 to 9 mph.

Wednesday

Partly sunny, with a high near 30. Southwest wind 6 to 10 mph.

Wednesday Night

Mostly cloudy, with a low around 16. Southwest wind around 7 mph becoming northwest in the evening.

New Year's Day

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 23. West wind 6 to 8 mph becoming south in the afternoon. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely, mainly after 10pm. Cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Friday

Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow. Low around 21. Chance of precipitation is 80%.

Saturday

Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 70%.

Saturday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.

Sunday

A 50 percent chance of snow. Mostly cloudy, with a high near 22.