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

48°F

9°C

Humidity 52%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 04 Oct 05:00 AM MDT
Extended Forecast for

Pompeys Pillar MT

  • Today

    Today: Sunny, with a high near 77. South wind around 5 mph becoming light and variable.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Light and variable wind becoming west southwest 5 to 9 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. West southwest wind 10 to 15 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West wind 3 to 5 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light west southwest wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Light north northeast wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. South wind around 5 mph becoming light and variable.
Tonight
Mostly clear, with a low around 49. Light and variable wind becoming west southwest 5 to 9 mph after midnight.
Monday
Sunny, with a high near 87. West southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 51. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 79. Light west southwest wind.
Tuesday Night
Mostly clear, with a low around 48. Light and variable wind.
Wednesday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Light north northeast wind.
Thursday
Sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Light northeast wind.
Friday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51. South southeast wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 69. North wind 6 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeys Pillar MT
 46°N 107.94°W (Elev. 2884 ft)
Last Update:
12:32 am MDT Oct 4, 2026
Forecast Valid:
5am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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