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 88%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 15 Oct 12:39 AM MDT
Extended Forecast for

Roundup MT

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 35. West northwest wind 8 to 10 mph.

    Low: 35 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 49. West northwest wind 11 to 17 mph becoming north in the afternoon.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26. North wind 5 to 7 mph becoming light and variable.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Southwest wind 7 to 17 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 11 to 14 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Southwest wind 13 to 15 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming north northwest after midnight.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 35. West northwest wind 8 to 10 mph.
Thursday
Sunny, with a high near 49. West northwest wind 11 to 17 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 26. North wind 5 to 7 mph becoming light and variable.
Friday
Sunny, with a high near 61. Southwest wind 7 to 17 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 11 to 14 mph.
Saturday
Sunny, with a high near 72. Southwest wind 13 to 15 mph.
Saturday Night
Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 61. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 38. Light and variable wind.
Monday
Sunny, with a high near 67. Southwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 41. Calm wind becoming west around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 63. West southwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 39. North northeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
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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:
12:37 am MDT Oct 15, 2026
Forecast Valid:
12am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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