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.

24°F

-4°C

Humidity	96%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	30 Dec 05:00 AM PST

More Information:

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

Extended Forecast for

5 Miles NNW Plain 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
Today
High: 30 °F
Mostly Sunny
Tonight
Low: 20 °F
Partly Cloudy
Wednesday
High: 33 °F
Mostly Sunny
Wednesday Night
Low: 21 °F
Partly Cloudy
New Year's Day
High: 33 °F
Partly Sunny
then Chance
Snow
Thursday Night
Low: 26 °F
Chance
Rain/Snow
Friday
High: 34 °F
Rain/Snow
Likely
Friday Night
Low: 29 °F
Rain Likely

Detailed Forecast

Today

Mostly sunny, with a high near 30. Light and variable wind.

Tonight

Partly cloudy, with a low around 20. North wind around 5 mph becoming calm in the evening.

Wednesday

Mostly sunny, with a high near 33. Calm wind.

Wednesday Night

Partly cloudy, with a low around 21. Calm wind.

New Year's Day

A 30 percent chance of snow after 4pm. Partly sunny, with a high near 33. Calm wind. Little or no snow accumulation expected.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

Rain likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Saturday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.

Saturday Night

A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

Sunday

A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 24.

Monday

A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 40%.