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

40°F

4°C

Humidity 44%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 09 Nov 09:39 PM MST
Extended Forecast for

Roundup MT

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Southwest wind 6 to 10 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Monday

    Monday: A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 65. West southwest wind 10 to 14 mph.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 6 to 8 mph.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Veterans Day

    Veterans Day: Sunny, with a high near 64. West northwest wind 8 to 10 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Calm wind becoming southwest around 5 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. South wind 6 to 8 mph becoming west after midnight.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. Southwest wind 6 to 10 mph.
Monday
A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 65. West southwest wind 10 to 14 mph.
Monday Night
A 30 percent chance of showers before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 6 to 8 mph.
Veterans Day
Sunny, with a high near 64. West northwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 35. Calm wind becoming southwest around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 66. Southwest wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 37. South wind 6 to 8 mph becoming west after midnight.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 54. West northwest wind 8 to 10 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 28. West wind around 7 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 51. West wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 28. West southwest wind around 6 mph.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52. West southwest wind around 8 mph. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roundup MT
 46.45°N 108.53°W (Elev. 3219 ft)
Last Update:
4:08 pm MST Nov 9, 2025
Forecast Valid:
10pm MST Nov 9, 2025-6pm MST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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