National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

Lat: 45.78°NLon: 108.16341°WElev: 3924.0ft.

NA

11°F

-12°C

Humidity 51%
Wind Speed W 14 MPH
Barometer NA
Dewpoint -4°F (-20°C)
Visibility NA
Wind Chill-5°F (-21°C)
Last update 26 Jan 12:45 AM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Overnight

    Overnight: Patchy blowing snow. Clear, with a low around 0. Wind chill values as low as -15. West southwest wind around 24 mph.

    Low: 0 °F

    Patchy
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 11am. Increasing clouds, with a high near 36. Wind chill values as low as -10. West southwest wind 16 to 23 mph.

    High: 36 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. West southwest wind 9 to 11 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 43. West southwest wind 10 to 13 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West southwest wind 5 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. West southwest wind around 7 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. West southwest wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. West southwest wind 6 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. West southwest wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy blowing snow. Clear, with a low around 0. Wind chill values as low as -15. West southwest wind around 24 mph.
Monday
Patchy blowing snow before 11am. Increasing clouds, with a high near 36. Wind chill values as low as -10. West southwest wind 16 to 23 mph.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind 9 to 11 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 43. West southwest wind 10 to 13 mph.
Tuesday Night
Mostly clear, with a low around 23. West southwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 45. West southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 27. West southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 47. West southwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 26. West southwest wind around 6 mph.
Friday
Partly sunny, with a high near 50. West southwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 34. West southwest wind around 6 mph.
Saturday
Partly sunny, with a high near 56. West southwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 31. West southwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 54. West wind 3 to 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
Last Update:
9:18 pm MST Jan 25, 2026
Forecast Valid:
1am MST Jan 26, 2026-6pm MST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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