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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Dillon, Dillon Airport (KDLN)

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

Overcast

39°F

4°C

Humidity 64%
Wind Speed SSW 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 01 Jan 05:05 PM MST
Extended Forecast for

Dillon MT

  • New Year's Day

    New Year's Day: A slight chance of rain and snow. Cloudy, with a steady temperature around 38. South southwest wind around 8 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely, becoming all rain after 4am. Cloudy, with a low around 31. South southwest wind around 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Partly sunny, with a high near 47. Southwest wind 8 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. South southwest wind around 10 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 30. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 46. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 29. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain and snow. Partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

New Year's Day
A slight chance of rain and snow. Cloudy, with a steady temperature around 38. South southwest wind around 8 mph. Chance of precipitation is 20%.
Tonight
Rain and snow likely, becoming all rain after 4am. Cloudy, with a low around 31. South southwest wind around 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Partly sunny, with a high near 47. Southwest wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 29. South southwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 47. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 46. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 29. South southwest wind around 11 mph, with gusts as high as 21 mph.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
A slight chance of snow. Partly sunny, with a high near 34.
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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:
3:53 pm MST Jan 1, 2026
Forecast Valid:
5pm MST Jan 1, 2026-6pm MST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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