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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

DILLON (DLNM)

Lat: 45.33333°NLon: 112.50917°WElev: 5000.0ft.

NA

62°F

17°C

Humidity 59%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 28 Aug 11:00 PM MDT
Extended Forecast for

3 Miles S Glen MT

  • Overnight

    Overnight: A 50 percent chance of showers. Cloudy, with a low around 49. South wind 3 to 5 mph.

    Low: 49 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 44. South southeast wind 7 to 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly sunny, with a high near 67. Northwest wind 8 to 16 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 49. South wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 74. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 44. South southeast wind 7 to 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly sunny, with a high near 67. Northwest wind 8 to 16 mph becoming southwest in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 38. West wind 5 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 75. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 44. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A slight chance of showers. Partly sunny, with a high near 71.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 39.
Friday
A slight chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Glen MT
 45.43°N 112.69°W (Elev. 5200 ft)
Last Update:
10:26 pm MDT Aug 28, 2026
Forecast Valid:
12am MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation