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

45°F

7°C

Humidity 43%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 31 Dec 09:39 AM MST
Extended Forecast for

Sumatra MT

  • Today

    Today: Sunny, with a high near 43. Light and variable wind becoming south southeast around 6 mph in the afternoon.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. South wind 6 to 8 mph becoming west northwest after midnight.

    Low: 27 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Increasing clouds, with a high near 39. West northwest wind around 5 mph becoming light and variable.

    High: 39 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. Southeast wind 3 to 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 42. West southwest wind around 8 mph.

    High: 42 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. South southwest wind around 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. South southeast wind 7 to 10 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. South southeast wind 8 to 10 mph becoming west southwest after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 52. West southwest wind 10 to 13 mph.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. Light and variable wind becoming south southeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 27. South wind 6 to 8 mph becoming west northwest after midnight.
New Year's Day
Increasing clouds, with a high near 39. West northwest wind around 5 mph becoming light and variable.
Thursday Night
Mostly cloudy, with a low around 23. Southeast wind 3 to 5 mph.
Friday
Mostly cloudy, with a high near 42. West southwest wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 28. South southwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 48. South southeast wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 31. South southeast wind 8 to 10 mph becoming west southwest after midnight.
Sunday
Partly sunny, with a high near 52. West southwest wind 10 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 29. West southwest wind around 8 mph.
Monday
Partly sunny, with a high near 48. West southwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 27. West southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 46. West wind 9 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumatra MT
 46.62°N 107.57°W (Elev. 3196 ft)
Last Update:
9:15 am MST Dec 31, 2025
Forecast Valid:
10am MST Dec 31, 2025-6pm MST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation