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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

27°F

-3°C

Humidity 68%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 27 Dec 02:15 PM MST
Extended Forecast for

8 Miles ENE Eureka MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 17. Wind chill values as low as -12. North northwest wind around 9 mph.

    High: 17 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -13. North wind 5 to 8 mph becoming west after midnight.

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 12. Wind chill values as low as -9. West southwest wind 5 to 8 mph.

    High: 12 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 8. Wind chill values as low as -2. Southwest wind around 7 mph.

    Low: 8 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 18. Southwest wind around 7 mph.

    High: 18 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 17. Wind chill values as low as -12. North northwest wind around 9 mph.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -13. North wind 5 to 8 mph becoming west after midnight.
Sunday
Sunny, with a high near 12. Wind chill values as low as -9. West southwest wind 5 to 8 mph.
Sunday Night
Increasing clouds, with a low around 8. Wind chill values as low as -2. Southwest wind around 7 mph.
Monday
Mostly cloudy, with a high near 18. Southwest wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 18.
New Year's Day
A slight chance of snow. Mostly cloudy, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
Snow likely. Mostly cloudy, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Eureka MT
 48.92°N 114.88°W (Elev. 6257 ft)
Last Update:
1:02 pm MST Dec 27, 2025
Forecast Valid:
2pm MST Dec 27, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
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