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

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

38°F

3°C

Humidity 80%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 07 Oct 08:39 AM MDT
Extended Forecast for

Roundup MT

  • Today

    Today: Sunny, with a high near 68. South southwest wind 7 to 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southwest wind 5 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southwest wind 6 to 13 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. South southwest wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Light and variable wind becoming north northeast around 6 mph in the afternoon.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. East northeast wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Calm wind becoming southwest around 6 mph after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 76. Southwest wind 6 to 13 mph.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 68. South southwest wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 37. Southwest wind 5 to 8 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 38. South southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 72. Light and variable wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 38. East northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Calm wind becoming southwest around 6 mph after midnight.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 76. Southwest wind 6 to 13 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38. West northwest wind around 11 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 54. West northwest wind 9 to 13 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 29. North northwest wind 6 to 9 mph. Chance of precipitation is 30%.
Columbus Day
A slight chance of rain and snow showers. Partly sunny, with a high near 51. North wind 6 to 8 mph becoming southeast in the morning. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roundup MT
 46.45°N 108.56°W (Elev. 3202 ft)
Last Update:
5:08 am MDT Oct 7, 2025
Forecast Valid:
9am MDT Oct 7, 2025-6pm MDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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