Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

-6°F

-21°C

Humidity 73%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint -12°F (-24°C)
Visibility NA
Wind Chill-24°F (-31°C)
Last update 23 Jan 07:15 AM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

Winter Weather Advisory January 23, 07:39am until January 23, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 23, 07:39am until January 23, 05:00pm

    NOW until 5:00pm Fri

    Winter Weather Advisory

  • Today

    High: 6 °F

    Snow then
    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -5. Calm wind.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after 11am.  Mostly cloudy, with a high near 26. Wind chill values as low as -5. Southwest wind 5 to 9 mph becoming northwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 1. North northeast wind 3 to 7 mph.  New snow accumulation of less than one inch possible.

    Low: 1 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 21. Light and variable wind.

    High: 21 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature falling to near 13 by 8pm, then rising to around 18 during the remainder of the night. West southwest wind 5 to 9 mph.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. West southwest wind 8 to 10 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. West wind 5 to 7 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 11am. High near 6. Wind chill values as low as -10. East northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around -5. Calm wind.
Saturday
A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 26. Wind chill values as low as -5. Southwest wind 5 to 9 mph becoming northwest in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 1. North northeast wind 3 to 7 mph. New snow accumulation of less than one inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 21. Light and variable wind.
Sunday Night
Mostly clear, with a temperature falling to near 13 by 8pm, then rising to around 18 during the remainder of the night. West southwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 41. West southwest wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 22. West wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 38. Northwest wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 19. North wind around 5 mph becoming light and variable in the evening.
Wednesday
Partly sunny, with a high near 39. West wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 21. West wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 39. West wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
6:22 am MST Jan 23, 2026
7am MST Jan 23, 2026-6pm MST Jan 29, 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