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

54°F

12°C

Humidity 31%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 07 Nov 10:45 AM MST
Extended Forecast for

Pompeys Pillar MT

  • Today

    Today: Sunny, with a high near 65. South southwest wind 7 to 14 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light and variable wind becoming southwest around 5 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 67. Light west southwest wind becoming west 5 to 9 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 6 to 14 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. West southwest wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 64. West wind 6 to 10 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. South southwest wind 7 to 14 mph.
Tonight
Increasing clouds, with a low around 37. Light and variable wind becoming southwest around 5 mph.
Sunday
Mostly cloudy, with a high near 67. Light west southwest wind becoming west 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 58. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 6 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 39. West southwest wind 5 to 7 mph.
Veterans Day
Mostly sunny, with a high near 64. West wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 40. West southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 64. West southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 39. Calm wind.
Friday
Mostly sunny, with a high near 63. West southwest wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeys Pillar MT
 46°N 107.94°W (Elev. 2884 ft)
Last Update:
10:12 am MST Nov 7, 2026
Forecast Valid:
11am MST Nov 7, 2026-6pm MST Nov 13, 2026
 
Forecast Discussion
 
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Additional Resources

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