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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Dillon, Dillon Airport (KDLN)

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

Partly Cloudy

45°F

7°C

Humidity 65%
Wind Speed WSW 4 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 24 Dec 07:53 PM MST
Extended Forecast for

Dillon Airport MT

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 41. South wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 41 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 49. South wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday 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

  • Friday

    Friday: Mostly sunny, with a high near 44. Breezy, with a south wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Southwest wind around 17 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. West wind around 15 mph, with gusts as high as 24 mph.

    High: 29 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 5. West northwest wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 5 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. South southwest wind around 6 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 41. South wind 9 to 13 mph, with gusts as high as 22 mph.
Christmas Day
Partly sunny, with a high near 49. South wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 31. South wind around 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 44. Breezy, with a south wind 13 to 22 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 24. Southwest wind around 17 mph, with gusts as high as 28 mph.
Saturday
Partly sunny, with a high near 29. West wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 5. West northwest wind 7 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 29. South southwest wind around 6 mph.
Sunday Night
Mostly clear, with a low around 13.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dillon Airport MT
 45.25°N 112.54°W (Elev. 5200 ft)
Last Update:
6:42 pm MST Dec 24, 2025
Forecast Valid:
8pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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