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 >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

1°F

-17°C

Humidity 64%
Wind Speed W 9 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-14°F (-26°C)
Last update 27 Dec 07:05 PM MST
Extended Forecast for

6 Miles E Elliston MT

  • Tonight

    Tonight: A 20 percent chance of snow before 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -15. North wind 7 to 10 mph becoming west in the evening. Winds could gust as high as 18 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 17. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 17 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. Wind chill values as low as zero. West southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 27. West southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. West southwest wind around 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West southwest wind 8 to 10 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Southwest wind 8 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37. West southwest wind 8 to 10 mph.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -15. North wind 7 to 10 mph becoming west in the evening. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 17. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 12. Wind chill values as low as zero. West southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 27. West southwest wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 21. West southwest wind around 10 mph.
Tuesday
Partly sunny, with a high near 32. West southwest wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 37. West southwest wind 8 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22.
Saturday
A slight chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
6:12 pm MST Dec 27, 2025
7pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database