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

27°F

-3°C

Humidity 68%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 09 Nov 08:39 AM MST
Extended Forecast for

Roundup MT

  • Today

    Today: Mostly sunny, with a high near 52. South southwest wind 3 to 6 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Light south southwest wind becoming southwest 5 to 10 mph in the evening.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. West southwest wind around 14 mph.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 8 to 10 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • 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 31. Northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Calm wind becoming southwest around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

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

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 52. South southwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 32. Light south southwest wind becoming southwest 5 to 10 mph in the evening.
Monday
Partly sunny, with a high near 66. West southwest wind around 14 mph.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 8 to 10 mph.
Veterans Day
Sunny, with a high near 64. West northwest wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 60. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 36. 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 40. Southwest wind around 7 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 60. West wind 7 to 10 mph.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 32. West wind around 7 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 52. West wind 7 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Roundup MT
 46.45°N 108.53°W (Elev. 3219 ft)
Last Update:
4:09 am MST Nov 9, 2025
Forecast Valid:
9am MST Nov 9, 2025-6pm MST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation