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 27%
Wind Speed W 22 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 07 Mar 11:00 AM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Today

    Today: Partly sunny, with a high near 61. West wind 22 to 25 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West southwest wind 14 to 17 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 16 to 21 mph becoming north northeast 7 to 12 mph in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Rain likely, possibly mixed with snow showers, mainly after 11am. Mostly cloudy, with a high near 48. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 8pm. Cloudy, with a low around 29. North northeast wind 5 to 10 mph becoming light north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Light west wind becoming west northwest 5 to 10 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind 6 to 14 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. West wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 61. West wind 22 to 25 mph.
Tonight
Partly cloudy, with a low around 42. West southwest wind 14 to 17 mph.
Sunday
Partly sunny, with a high near 69. West southwest wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
A slight chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. West wind 16 to 21 mph becoming north northeast 7 to 12 mph in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Rain likely, possibly mixed with snow showers, mainly after 11am. Mostly cloudy, with a high near 48. North northeast wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Rain and snow showers likely, becoming all snow after 8pm. Cloudy, with a low around 29. North northeast wind 5 to 10 mph becoming light north northwest after midnight. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Light west wind becoming west northwest 5 to 10 mph in the morning. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind 6 to 14 mph.
Wednesday
Partly sunny, with a high near 50. West wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.
Wednesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 35. Southwest wind 9 to 14 mph. Chance of precipitation is 20%.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 64. West wind 11 to 16 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. West wind 13 to 23 mph becoming north after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 50%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 50. West northwest wind 10 to 20 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
Last Update:
10:14 am MST Mar 7, 2026
Forecast Valid:
11am MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
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