Current conditions at

HORSE THIEF (HORM8)

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

NA

51°F

11°C

Humidity 64%
Wind Speed NE 13 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 10 Oct 05:39 PM MDT
Extended Forecast for

Roundup MT

Winter Weather Advisory October 11, 06:00pm until October 12, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Rain.  Low around 34. North northeast wind 15 to 22 mph.  Chance of precipitation is 100%.

    Low: 34 °F

    Rain Likely
    then Rain

  • Sunday

    Sunday: Rain and snow before 4pm, then rain likely between 4pm and 5pm, then rain and snow after 5pm.  High near 42. North northeast wind 13 to 15 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow.  Low around 29. North northeast wind around 15 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow

  • Columbus Day

    Columbus Day: Rain and snow before 3pm, then a chance of rain.  High near 40. North wind 6 to 13 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Southwest wind 3 to 5 mph.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Calm wind becoming west 5 to 7 mph after midnight.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain. Low around 34. North northeast wind 15 to 22 mph. Chance of precipitation is 100%.
Sunday
Rain and snow before 4pm, then rain likely between 4pm and 5pm, then rain and snow after 5pm. High near 42. North northeast wind 13 to 15 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain, possibly mixed with snow. Low around 29. North northeast wind around 15 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Columbus Day
Rain and snow before 3pm, then a chance of rain. High near 40. North wind 6 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 27. Light and variable wind.
Tuesday
Mostly sunny, with a high near 52. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 31. Calm wind.
Wednesday
Mostly sunny, with a high near 58. Southwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 36. Calm wind becoming west 5 to 7 mph after midnight.
Thursday
Mostly sunny, with a high near 59. West wind 8 to 13 mph.
Thursday Night
Partly cloudy, with a low around 33. North northwest wind 5 to 9 mph becoming light northwest in the evening.
Friday
Mostly sunny, with a high near 59. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 37. Southeast wind 5 to 11 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 70. Southwest wind 11 to 15 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Roundup MT
 46.45°N 108.53°W (Elev. 3219 ft)
5:57 pm MDT Oct 10, 2026
6pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
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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