Current conditions at

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

50°F

10°C

Humidity 31%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 25 Feb 11:39 AM MST
Extended Forecast for

Roundup MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. West wind around 22 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 17 to 22 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. West wind 22 to 30 mph, with gusts as high as 41 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. West wind 21 to 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain after 5pm.  Partly sunny, with a high near 57. Northwest wind 15 to 17 mph.

    High: 57 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 23. North northeast wind 9 to 14 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am.  Mostly cloudy, with a high near 39. East northeast wind 8 to 10 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. East wind 5 to 9 mph becoming calm  in the evening.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 48 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 52. West wind around 22 mph.
Tonight
Mostly clear, with a low around 34. West wind 17 to 22 mph.
Thursday
Mostly sunny, with a high near 57. West wind 22 to 30 mph, with gusts as high as 41 mph.
Thursday Night
Partly cloudy, with a low around 37. West wind 21 to 25 mph.
Friday
A 30 percent chance of rain after 5pm. Partly sunny, with a high near 57. Northwest wind 15 to 17 mph.
Friday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 23. North northeast wind 9 to 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 39. East northeast wind 8 to 10 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 18. East wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 48. Calm wind becoming east northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 23. East wind around 6 mph becoming light and variable.
Monday
Sunny, with a high near 60. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 28. West wind 5 to 7 mph.
Tuesday
Sunny, with a high near 60. Southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Roundup MT
 46.45°N 108.53°W (Elev. 3219 ft)
11:58 am MST Feb 25, 2026
12pm MST Feb 25, 2026-6pm MST Mar 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database