Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

Lat: 45.78°NLon: 108.16341°WElev: 3924.0ft.

NA

40°F

4°C

Humidity 29%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 02 Feb 05:30 PM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 1am and 5am.  Increasing clouds, with a low around 36. West southwest wind 10 to 16 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 55. West wind 13 to 18 mph becoming north northwest in the afternoon.

    High: 55 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 9 to 14 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. West southwest wind 7 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. West southwest wind 7 to 10 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. West southwest wind around 6 mph.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly between 1am and 5am. Increasing clouds, with a low around 36. West southwest wind 10 to 16 mph.
Tuesday
A 20 percent chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 55. West wind 13 to 18 mph becoming north northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 28. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 60. Light southwest wind becoming west southwest 9 to 14 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38. West southwest wind 7 to 10 mph.
Thursday
Sunny, with a high near 68. West southwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 28. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 33. West southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 60. West southwest wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 34. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 63. West southwest wind 5 to 9 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 35. West wind 5 to 7 mph.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 56. West wind 6 to 8 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
5:13 pm MST Feb 2, 2026
5pm MST Feb 2, 2026-6pm MST Feb 9, 2026
 
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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