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 VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

NA

11°F

-12°C

Humidity 57%
Wind Speed N 11 MPH
Barometer NA
Dewpoint -1°F (-18°C)
Visibility NA
Wind Chill-3°F (-19°C)
Last update 27 Dec 12:00 PM MST
Extended Forecast for

6 Miles NNW Helena MT

  • This Afternoon

    This Afternoon: Snow likely, mainly before 2pm.  Mostly cloudy, with a temperature falling to around 6 by 5pm. Wind chill values as low as -10. North northwest wind 11 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow Likely

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming light and variable.

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 20. Wind chill values as low as -10. Southwest wind 5 to 9 mph.

    High: 20 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13. Southwest wind around 9 mph.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 33. Southwest wind 6 to 8 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Southwest wind 6 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40. Southwest wind around 6 mph.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly before 2pm. Mostly cloudy, with a temperature falling to around 6 by 5pm. Wind chill values as low as -10. North northwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming light and variable.
Sunday
Sunny, with a high near 20. Wind chill values as low as -10. Southwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 13. Southwest wind around 9 mph.
Monday
Mostly sunny, with a high near 33. Southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 23. Southwest wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 40. Southwest wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Mostly cloudy, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
A slight chance of snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Helena MT
 46.68°N 112.09°W (Elev. 4806 ft)
10:37 am MST Dec 27, 2025
12pm MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database