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

36°F

2°C

Humidity 37%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 05 Mar 03:45 AM MST
Extended Forecast for

9 Miles S Pompeys Pillar MT

  • Today

    Today: Rain likely, possibly mixed with snow, mainly before 5pm. Increasing clouds, with a high near 52. North northwest wind 6 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 52 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow before 2am, then a chance of snow. Low around 29. North northwest wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 51. Northwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. North northwest wind 7 to 10 mph becoming west southwest after midnight.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. West southwest wind 17 to 22 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. West southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 40. West southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight.

    Low: 40 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 59. Northwest wind 9 to 17 mph.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Rain likely, possibly mixed with snow, mainly before 5pm. Increasing clouds, with a high near 52. North northwest wind 6 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
Rain and snow before 2am, then a chance of snow. Low around 29. North northwest wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of snow before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 51. Northwest wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 31. North northwest wind 7 to 10 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 59. West southwest wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Saturday Night
Partly cloudy, with a low around 41. West southwest wind 17 to 22 mph.
Sunday
Partly sunny, with a high near 69. West southwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 40. West southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 59. Northwest wind 9 to 17 mph.
Monday Night
Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 11pm, then a chance of snow showers after 11pm. Mostly cloudy, with a low around 31. Northwest wind 6 to 15 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 44. West northwest wind 7 to 15 mph.
Tuesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 24. Northwest wind 5 to 11 mph becoming west southwest after midnight.
Wednesday
Mostly cloudy, with a high near 48. West wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Pompeys Pillar MT
 45.85°N 107.95°W (Elev. 3068 ft)
Last Update:
12:14 am MST Mar 5, 2026
Forecast Valid:
4am MST Mar 5, 2026-6pm MDT Mar 11, 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