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	95%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Last update	30 Dec 04:00 AM PST

More Information:

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

Extended Forecast for

11 Miles W 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
Overnight
Low: 24 °F
Partly Cloudy
Tuesday
High: 38 °F
Mostly Sunny
Tuesday Night
Low: 30 °F
Partly Cloudy
Wednesday
High: 42 °F
Mostly Sunny
Wednesday Night
Low: 26 °F
Partly Cloudy
New Year's Day
High: 40 °F
Chance
Rain/Snow
Thursday Night
Low: 29 °F
Rain/Snow
Likely
Friday
High: 38 °F
Rain/Snow

Detailed Forecast

Overnight

Partly cloudy, with a low around 24. Light east wind.

Tuesday

Mostly sunny, with a high near 38. East wind 3 to 8 mph. Winds could gust as high as 21 mph.

Tuesday Night

Partly cloudy, with a steady temperature around 30. Light and variable wind.

Wednesday

Mostly sunny, with a high near 42. Light and variable wind.

Wednesday Night

Partly cloudy, with a low around 26. Calm wind.

New Year's Day

A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 40. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday Night

Rain and snow likely, mainly after 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Rain, possibly mixed with snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 38. Chance of precipitation is 80%.

Friday Night

Rain, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Low around 31. Chance of precipitation is 80%.

Saturday

Rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%.

Saturday Night

Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.

Sunday

A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.