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

57°F

14°C

Humidity 13%
Wind Speed SW 19 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 23 Feb 04:15 PM MST
Extended Forecast for

Pompeys Pillar MT

  • Tonight

    Tonight: Rain and snow likely, mainly after 5am. Mostly cloudy, with a low around 33. Southwest wind 7 to 11 mph becoming north northwest after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain and snow, mainly before noon. High near 45. West southwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 31. Light southwest wind. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, mixing with snow after 8am, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. West wind 9 to 16 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 10 percent chance of showers after 5am. Partly cloudy, with a low around 34. West wind 9 to 14 mph.

    Low: 34 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 53. West wind 8 to 17 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. Northeast wind 7 to 13 mph. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
Rain and snow likely, mainly after 5am. Mostly cloudy, with a low around 33. Southwest wind 7 to 11 mph becoming north northwest after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain and snow, mainly before noon. High near 45. West southwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 31. Light southwest wind. Chance of precipitation is 70%.
Wednesday
A chance of rain, mixing with snow after 8am, then gradually ending. Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 33. West wind 9 to 16 mph.
Thursday
Mostly sunny, with a high near 59. West wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 34. West wind 9 to 14 mph.
Friday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers between 11am and 2pm, then a slight chance of snow showers after 2pm. Partly sunny, with a high near 53. West wind 8 to 17 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 17. Northeast wind 7 to 13 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of snow showers, mainly before 11am. Mostly cloudy, with a high near 32. East northeast wind around 8 mph.
Saturday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 15. East northeast wind 3 to 7 mph.
Sunday
A 20 percent chance of snow showers. Mostly sunny, with a high near 40. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 21. East northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 52. West northwest wind 3 to 8 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:
4:09 pm MST Feb 23, 2026
Forecast Valid:
4pm MST Feb 23, 2026-6pm MST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation