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.

unknown precip

32°F

0°C

Humidity 79%
Wind Speed NNE 9 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 16 Apr 04:00 PM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 41. North wind around 10 mph.

    High: 41 °F

    Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers. Mostly cloudy, with a low around 25. North wind 5 to 9 mph becoming light west northwest after midnight.

    Low: 25 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Mostly sunny, with a high near 51. Light northwest wind becoming north northwest 9 to 14 mph in the morning.

    High: 51 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 29. North northwest wind 5 to 10 mph becoming west southwest after midnight.

    Low: 29 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Sunny, with a high near 62. West wind 6 to 13 mph.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly clear, with a low around 32. West northwest wind 5 to 9 mph becoming light southwest after midnight.

    Low: 32 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Sunny, with a high near 72. West southwest wind 5 to 8 mph.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 42. South wind 5 to 7 mph.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers. Mostly sunny, with a high near 79. West southwest wind 5 to 8 mph.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Mostly cloudy, with a steady temperature around 41. North wind around 10 mph.
Tonight
A 50 percent chance of showers. Mostly cloudy, with a low around 25. North wind 5 to 9 mph becoming light west northwest after midnight.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 51. Light northwest wind becoming north northwest 9 to 14 mph in the morning.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 29. North northwest wind 5 to 10 mph becoming west southwest after midnight.
Saturday
A 30 percent chance of showers. Sunny, with a high near 62. West wind 6 to 13 mph.
Saturday Night
A 30 percent chance of showers. Mostly clear, with a low around 32. West northwest wind 5 to 9 mph becoming light southwest after midnight.
Sunday
A 30 percent chance of showers. Sunny, with a high near 72. West southwest wind 5 to 8 mph.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 42. South wind 5 to 7 mph.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 79. West southwest wind 5 to 8 mph.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 44. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers. Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49. Southwest wind 5 to 7 mph becoming east in the evening.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 82. West southwest wind 5 to 13 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49. West wind 10 to 14 mph.
Thursday
A chance of showers. Partly sunny, with a high near 67. West wind 10 to 20 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:
12:44 pm MDT Apr 16, 2026
Forecast Valid:
4pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation