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

49°F

9°C

Humidity 24%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 15 Apr 04:45 AM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Today

    Today: Mostly cloudy, with a high near 70. Southwest wind 7 to 16 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 39. West southwest wind 7 to 15 mph becoming northwest after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers, becoming all snow after noon. High near 48. West northwest wind 13 to 15 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 25. North wind 5 to 11 mph. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 50. Light west northwest wind becoming north 6 to 11 mph in the morning. Little or no snow accumulation expected.

    High: 50 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 26 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West southwest wind 5 to 11 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. West southwest wind 5 to 9 mph.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 70. Southwest wind 7 to 16 mph.
Tonight
A chance of rain showers before 3am, then a chance of rain and snow showers. Mostly cloudy, with a low around 39. West southwest wind 7 to 15 mph becoming northwest after midnight. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Rain and snow showers, becoming all snow after noon. High near 48. West northwest wind 13 to 15 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 25. North wind 5 to 11 mph. Little or no snow accumulation expected.
Friday
A 40 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 50. Light west northwest wind becoming north 6 to 11 mph in the morning. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 60. West southwest wind 5 to 11 mph.
Saturday Night
Mostly clear, with a low around 33. West northwest wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 71. West southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 41. South southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 78. West southwest wind 5 to 9 mph.
Monday Night
Partly cloudy, with a low around 44. West northwest wind 5 to 9 mph becoming north after midnight.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 77. West southwest 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:
2:53 am MDT Apr 15, 2026
Forecast Valid:
5am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation