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

24°F

-4°C

Humidity 65%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 30 Dec 11:15 AM MST
Extended Forecast for

8 Miles ENE Eureka MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 25. West southwest wind around 7 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. Southwest wind 6 to 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 28. Southwest wind around 6 mph.

    High: 28 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. South wind around 6 mph.

    Low: 16 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 26. East wind around 6 mph becoming west in the morning.

    High: 26 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Cloudy, with a high near 30. New snow accumulation of less than a half inch possible.

    High: 30 °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 30.

    High: 30 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 25. West southwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 17. Southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 28. Southwest wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 16. South wind around 6 mph.
New Year's Day
Partly sunny, with a high near 26. East wind around 6 mph becoming west in the morning.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 19. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Cloudy, with a high near 30. 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 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23.
Sunday
A chance of snow. Mostly cloudy, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
A chance of snow. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Eureka MT
 48.92°N 114.88°W (Elev. 6257 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
12pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation