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

35°F

2°C

Humidity 91%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 03 Nov 09:39 PM MST
Extended Forecast for

Roundup MT

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 29. Southwest wind 3 to 5 mph.

    Low: 29 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.

    Low: 30 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 59. Southwest wind 7 to 11 mph.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind becoming west around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. Southwest wind 6 to 13 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. West southwest wind 8 to 11 mph.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. West southwest wind 9 to 11 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Southwest wind 5 to 9 mph.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 29. Southwest wind 3 to 5 mph.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph after midnight.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 59. Southwest wind 7 to 11 mph.
Thursday Night
Partly cloudy, with a low around 31. Calm wind becoming west around 5 mph after midnight.
Friday
Sunny, with a high near 57. Southwest wind 6 to 13 mph.
Friday Night
Partly cloudy, with a low around 36. West southwest wind 8 to 11 mph.
Saturday
Sunny, with a high near 61. West southwest wind 9 to 11 mph.
Saturday Night
Mostly clear, with a low around 36. Southwest wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 65. Southwest wind 13 to 16 mph.
Sunday Night
Mostly cloudy, with a low around 37. West wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 58. West wind around 5 mph becoming light and variable.
Monday Night
Mostly cloudy, with a low around 35. Calm wind becoming west southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 62. West wind 7 to 10 mph.
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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:
5:52 pm MST Nov 3, 2026
Forecast Valid:
10pm MST Nov 3, 2026-6pm MST Nov 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation