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

31°F

-1°C

Humidity 47%
Wind Speed NW 17 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 20 Jan 02:39 PM MST
Extended Forecast for

Sumatra MT

  • Tonight

    Tonight: Patchy blowing snow after 2am. Increasing clouds, with a steady temperature around 26. West northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 41 mph.

    Low: 26 °F

    Partly Cloudy
    then Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Patchy blowing snow before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 21 to 26 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 30 °F

    Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -5. Northwest wind 9 to 11 mph.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 16. Wind chill values as low as -5. North northwest wind 10 to 13 mph.

    High: 16 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -7. East northeast wind 8 to 10 mph.

    Low: -7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 9. East wind 6 to 8 mph becoming north in the afternoon.

    High: 9 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -6. North northeast wind around 6 mph becoming south southwest after midnight.

    Low: -6 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. South southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3. North wind around 8 mph becoming south in the evening.

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy blowing snow after 2am. Increasing clouds, with a steady temperature around 26. West northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 41 mph.
Wednesday
Patchy blowing snow before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 30. Northwest wind 21 to 26 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -5. Northwest wind 9 to 11 mph.
Thursday
Partly sunny, with a high near 16. Wind chill values as low as -5. North northwest wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around -7. East northeast wind 8 to 10 mph.
Friday
Mostly sunny and cold, with a high near 9. East wind 6 to 8 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around -6. North northeast wind around 6 mph becoming south southwest after midnight.
Saturday
Partly sunny, with a high near 19. South southwest wind 6 to 10 mph becoming northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 3. North wind around 8 mph becoming south in the evening.
Sunday
Mostly sunny, with a high near 30. West wind 7 to 9 mph becoming south southwest in the morning.
Sunday Night
Partly cloudy, with a low around 14. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 7 to 11 mph.
Monday Night
Mostly cloudy, with a low around 23. West wind around 9 mph.
Tuesday
Partly sunny, with a high near 44. West wind 8 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:
12:54 pm MST Jan 20, 2026
Forecast Valid:
3pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
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