National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Leavenworth (LVN11)

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

NA

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
Extended Forecast for

9 Miles WSW 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

    Tuesday: Mostly sunny, with a high near 29. South wind 7 to 13 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a temperature rising to around 28 by 5am. West wind 7 to 10 mph.

    Low: 25 °F⇑

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. West wind 6 to 9 mph becoming south in the afternoon.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. West wind around 7 mph.

    Low: 17 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 24.

    High: 24 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of around an inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.

    High: 24 °F

    Snow Likely

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 24. Southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 29. South wind 7 to 13 mph.
Tuesday Night
Partly cloudy, with a temperature rising to around 28 by 5am. West wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 30. West wind 6 to 9 mph becoming south in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 17. West wind around 7 mph.
New Year's Day
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 24.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. New snow accumulation of around an inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
Friday Night
Snow. Low around 21. Chance of precipitation is 80%.
Saturday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 23.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Leavenworth WA
 47.57°N 120.85°W (Elev. 7815 ft)
Last Update:
3:31 am PST Dec 30, 2025
Forecast Valid:
5am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation