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

48°F

9°C

Humidity 26%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 10 Jan 11:39 AM MST
Extended Forecast for

Roundup MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. West wind around 17 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West southwest wind 15 to 17 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 55. West southwest wind 15 to 17 mph.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. West southwest wind 14 to 18 mph.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. West wind 20 to 25 mph decreasing to 14 to 19 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. West wind 11 to 14 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. West wind 5 to 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West southwest wind 5 to 9 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 52. West wind around 17 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. West southwest wind 15 to 17 mph.
Sunday
Partly sunny, with a high near 55. West southwest wind 15 to 17 mph.
Sunday Night
Mostly cloudy, with a low around 37. West southwest wind 14 to 18 mph.
Monday
Partly sunny, with a high near 62. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
Mostly cloudy, with a low around 44. West wind 20 to 25 mph decreasing to 14 to 19 mph after midnight.
Tuesday
Mostly cloudy, with a high near 62. West wind 11 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 35. West wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 63. West southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 35. West wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 51. North northwest wind 9 to 15 mph.
Thursday Night
Partly cloudy, with a low around 25. Northwest wind around 10 mph.
Friday
Partly sunny, with a high near 41. Northwest wind around 11 mph.
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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:
10:57 am MST Jan 10, 2026
Forecast Valid:
12pm MST Jan 10, 2026-6pm MST Jan 16, 2026
 
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