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

Dillon, Dillon Airport (KDLN)

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

Clear

22°F

-6°C

Humidity 54%
Wind Speed SSW 9 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 30 Dec 07:53 AM MST
Extended Forecast for

Dillon MT

  • Today

    Today: Sunny, with a high near 42. Southwest wind 5 to 7 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 6 to 9 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Southwest wind 7 to 9 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. South wind around 9 mph.

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 43. South wind around 9 mph.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. South wind 8 to 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South southwest wind around 10 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South wind around 11 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 42. Southwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 23. Southwest wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 47. Southwest wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind around 9 mph.
New Year's Day
Mostly cloudy, with a high near 43. South wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 28. South wind 8 to 10 mph.
Friday
Partly sunny, with a high near 47. South southwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 31. South wind around 11 mph, with gusts as high as 18 mph.
Saturday
A slight chance of rain before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dillon MT
 45.22°N 112.62°W (Elev. 5125 ft)
Last Update:
7:57 am MST Dec 30, 2025
Forecast Valid:
8am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation