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 >

Current conditions at

EUREKA (EURM8)

Lat: 48.89781°NLon: 115.05836°WElev: 2632.0ft.

NA

20°F

-7°C

Humidity 78%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 30 Dec 06:15 AM MST
Extended Forecast for

9 Miles E Eureka MT

  • Today

    Today: Mostly sunny, with a high near 26. West southwest wind 5 to 7 mph.

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Southwest wind 6 to 8 mph.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 29. Southwest wind around 6 mph.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Southwest wind around 6 mph becoming southeast after midnight.

    Low: 16 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 28. East wind around 6 mph becoming west southwest in the morning.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 50 percent chance of snow. Cloudy, with a high near 31. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 32.

    High: 32 °F

    Snow Likely

Detailed Forecast

Today
Mostly sunny, with a high near 26. West southwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 16. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 29. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 16. Southwest wind around 6 mph becoming southeast after midnight.
New Year's Day
Partly sunny, with a high near 28. East wind around 6 mph becoming west southwest in the morning.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 20.
Friday
A 50 percent chance of snow. Cloudy, with a high near 31. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 28.
Saturday
Snow likely. Mostly cloudy, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Mostly cloudy, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Eureka MT
 48.9°N 114.84°W (Elev. 5699 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
6am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation