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

63°F

17°C

Humidity 18%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 15 Apr 02:45 PM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. West southwest wind 6 to 11 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Rain and snow showers likely, becoming all snow after 8am. Cloudy, with a high near 48. West northwest wind 9 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light west northwest after midnight. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow showers after noon. Partly sunny, with a high near 50. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Little or no snow accumulation expected.

    High: 50 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Mostly cloudy, with a low around 29. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. West southwest wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Southwest wind 3 to 8 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. South wind 3 to 7 mph.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers before 8pm, then a chance of showers after 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. West southwest wind 6 to 11 mph. Chance of precipitation is 50%.
Thursday
Rain and snow showers likely, becoming all snow after 8am. Cloudy, with a high near 48. West northwest wind 9 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 26. North wind 5 to 10 mph becoming light west northwest after midnight. Little or no snow accumulation expected.
Friday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 50. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Little or no snow accumulation expected.
Friday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and midnight. Mostly cloudy, with a low around 29. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 62. West southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 33. West northwest wind 5 to 8 mph becoming calm after midnight.
Sunday
Sunny, with a high near 72. Southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 41. South wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 78. West southwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 45. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 80. West southwest wind 3 to 8 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 48. East wind 6 to 9 mph becoming west after midnight.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 76. North wind 6 to 14 mph.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:18 pm MDT Apr 15, 2026
Forecast Valid:
3pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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