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

Lolo Pass (ITD28)

Lat: 46.63592°NLon: 114.58037°WElev: 5262.0ft.

NA

28°F

-2°C

Humidity 76%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 30 Dec 11:15 AM MST
Extended Forecast for

15 Miles N Powell ID

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: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind around 9 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. West southwest wind 5 to 8 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Southwest wind around 8 mph.

    Low: 22 °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 31. Southwest wind 6 to 8 mph.

    High: 31 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

Detailed Forecast

Today
Mostly sunny, with a high near 32. West southwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 23. Southwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 34. West southwest wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 22. Southwest wind around 8 mph.
New Year's Day
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 31. Southwest wind 6 to 8 mph.
Thursday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 28.
Saturday
Snow. Mostly cloudy, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
Monday
A chance of snow. Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Powell ID
 46.72°N 114.65°W (Elev. 6949 ft)
Last Update:
12:03 am PST Dec 30, 2025
Forecast Valid:
10am 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