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

30°F

-1°C

Humidity 34%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 27 Jan 02:45 AM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Overnight

    Overnight: A 20 percent chance of snow before 4am. Mostly cloudy, with a steady temperature around 24. West southwest wind around 9 mph.

    Low: 24 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 45. West southwest wind 8 to 11 mph.

    High: 45 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West southwest wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45. West southwest wind around 7 mph.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. West wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. West wind 6 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. West southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. West southwest wind 5 to 7 mph.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. West southwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 4am. Mostly cloudy, with a steady temperature around 24. West southwest wind around 9 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 45. West southwest wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 23. West southwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 45. West southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 31. West wind around 6 mph.
Thursday
Partly sunny, with a high near 49. West wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 30. West southwest wind around 5 mph.
Friday
Partly sunny, with a high near 52. West southwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 35. West southwest wind around 7 mph.
Saturday
Partly sunny, with a high near 58. West northwest wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind around 6 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 56. Southwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 31. West southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 57. West southwest wind 5 to 8 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:
12:55 am MST Jan 27, 2026
Forecast Valid:
3am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation