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

34°F

1°C

Humidity 70%
Wind Speed N 10 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 16 Apr 01:00 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 high near 44. North northwest wind around 11 mph.

    High: 44 °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 high near 44. North northwest wind around 11 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.
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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:
1pm MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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