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

46°F

8°C

Humidity 16%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 26 Feb 10:30 PM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West wind 16 to 23 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 60. West wind 14 to 21 mph becoming north northwest in the afternoon.

    High: 60 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 28. North wind 6 to 11 mph.

    Low: 28 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 43. Northeast wind 6 to 8 mph.

    High: 43 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. East northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. East wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61. West southwest wind 3 to 6 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. North northeast wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. West wind 16 to 23 mph.
Friday
Increasing clouds, with a high near 60. West wind 14 to 21 mph becoming north northwest in the afternoon.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 28. North wind 6 to 11 mph.
Saturday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 43. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 21. East northeast wind 5 to 9 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 49. Calm wind.
Sunday Night
Mostly clear, with a low around 25. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 61. West southwest wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 27. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 62. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 32. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 65. West southwest wind 3 to 7 mph.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33. North northeast wind around 6 mph becoming west northwest after midnight.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 55. North northwest wind 5 to 10 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:
10:08 pm MST Feb 26, 2026
Forecast Valid:
10pm MST Feb 26, 2026-6pm MST Mar 5, 2026
 
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