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

Dillon, Dillon Airport (KDLN)

Lat: 45.2575°NLon: 112.55444°WElev: 5239.0ft.

Clear

1°F

-17°C

Humidity 91%
Wind Speed SW 8 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-13°F (-25°C)
Last update 28 Dec 01:30 AM MST
Extended Forecast for

Dillon MT

  • Overnight

    Overnight: Clear, with a low around 2. Wind chill values as low as -10. Southwest wind around 9 mph.

    Low: 2 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as -10. Southwest wind 6 to 8 mph.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Wind chill values as low as zero. Southwest wind 6 to 8 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 28. Wind chill values as low as zero. Southwest wind around 8 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. South southwest wind around 8 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. South southwest wind around 7 mph.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. South southwest wind 6 to 9 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. South southwest wind 7 to 9 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 2. Wind chill values as low as -10. Southwest wind around 9 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as -10. Southwest wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 8. Wind chill values as low as zero. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 28. Wind chill values as low as zero. Southwest wind around 8 mph.
Monday Night
Partly cloudy, with a low around 18. South southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 41. South southwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 22. South southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 45. South southwest wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 45.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dillon MT
 45.22°N 112.65°W (Elev. 5174 ft)
Last Update:
1:02 am MST Dec 28, 2025
Forecast Valid:
1am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
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