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

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Current conditions at

Dillon, Dillon Airport (KDLN)

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

Clear

72°F

22°C

Humidity 20%
Wind Speed SW 5 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 24 Sep 01:05 PM MDT
Extended Forecast for

Dillon MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. South southwest wind 3 to 5 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Light south southwest wind becoming southwest 5 to 9 mph in the evening.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South southwest wind 5 to 9 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South southwest wind around 10 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Southwest wind 7 to 10 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. West northwest wind 6 to 10 mph becoming southwest after midnight.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. South southwest wind 5 to 8 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. South wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. South southwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 40. Light south southwest wind becoming southwest 5 to 9 mph in the evening.
Thursday
Sunny, with a high near 83. South southwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 41. South southwest wind around 10 mph.
Friday
Sunny, with a high near 74. Southwest wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 38. West northwest wind 6 to 10 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 78. South southwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 41. South wind around 9 mph.
Sunday
Sunny, with a high near 78.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Monday
A chance of rain and thunderstorms. Partly sunny, with a high near 72.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dillon MT
 45.22°N 112.62°W (Elev. 5125 ft)
Last Update:
10:09 am MDT Sep 24, 2025
Forecast Valid:
1pm MDT Sep 24, 2025-6pm MDT Sep 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation