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

31°F

-1°C

Humidity 50%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 09 Jan 10:39 AM MST
Extended Forecast for

Roundup MT

  • Today

    Today: Increasing clouds, with a high near 42. West wind 13 to 17 mph.

    High: 42 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 30. West wind 13 to 15 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 52. West wind 14 to 16 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West southwest wind 15 to 17 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. West southwest wind 15 to 17 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. West southwest wind around 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. West southwest wind 13 to 22 mph.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. West wind 13 to 18 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. West wind 11 to 14 mph.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 42. West wind 13 to 17 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 30. West wind 13 to 15 mph.
Saturday
Mostly sunny, with a high near 52. West wind 14 to 16 mph.
Saturday Night
Mostly cloudy, with a low around 34. West southwest wind 15 to 17 mph.
Sunday
Mostly sunny, with a high near 57. West southwest wind 15 to 17 mph.
Sunday Night
Mostly cloudy, with a low around 38. West southwest wind around 11 mph.
Monday
Mostly cloudy, with a high near 62. West southwest wind 13 to 22 mph.
Monday Night
Mostly cloudy, with a low around 41. West wind 13 to 18 mph.
Tuesday
Mostly cloudy, with a high near 60. West wind 11 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 63. West wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 35. West wind 8 to 10 mph.
Thursday
A slight chance of rain and snow showers. Mostly sunny, with a high near 52. Northwest wind 10 to 17 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:
10:08 am MST Jan 9, 2026
Forecast Valid:
11am MST Jan 9, 2026-6pm MST Jan 15, 2026
 
Forecast Discussion
 
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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