Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

0°F

-18°C

Humidity 73%
Wind Speed NE 13 MPH
Barometer NA
Dewpoint -7°F (-22°C)
Visibility NA
Wind Chill-18°F (-28°C)
Last update 22 Jan 09:15 PM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

Winter Weather Advisory January 22, 09:32pm until January 23, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 22, 09:32pm until January 23, 05:00pm

    NOW until 5:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: -5 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am.  Cloudy and cold, with a high near 7. Wind chill values as low as -20. Northeast wind 6 to 9 mph.  New snow accumulation of less than one inch possible.

    High: 7 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -5. Wind chill values as low as -20. Southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 24. Wind chill values as low as -15. Southwest wind 8 to 17 mph becoming north in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 1. North northeast wind around 6 mph becoming calm  in the evening.  New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a steady temperature around 16. West southwest wind 5 to 8 mph.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West southwest wind 8 to 10 mph.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 50 percent chance of snow. Cloudy, with a low around -5. Wind chill values as low as -20. East northeast wind around 11 mph. Total nighttime snow accumulation of less than one inch possible.
Friday
A 40 percent chance of snow, mainly before 11am. Cloudy and cold, with a high near 7. Wind chill values as low as -20. Northeast wind 6 to 9 mph. New snow accumulation of less than one inch possible.
Friday Night
Partly cloudy, with a low around -5. Wind chill values as low as -20. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Saturday
Mostly cloudy, with a high near 24. Wind chill values as low as -15. Southwest wind 8 to 17 mph becoming north in the afternoon.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 1. North northeast wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 24. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a steady temperature around 16. West southwest wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 39. West southwest wind 8 to 10 mph.
Monday Night
Mostly cloudy, with a low around 19. Northwest wind 5 to 7 mph becoming west southwest in the evening.
Tuesday
Mostly cloudy, with a high near 35. Southwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 18. Northeast wind around 6 mph becoming west northwest after midnight.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 32. West northwest wind 5 to 7 mph becoming northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 16. East northeast wind around 6 mph becoming light and variable in the evening.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. Light and variable wind becoming north around 6 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
7:57 pm MST Jan 22, 2026
9pm MST Jan 22, 2026-6pm MST Jan 29, 2026
 
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Additional Resources

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