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

32°F

0°C

Humidity 60%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 05 Mar 07:15 AM MST
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Today

    Today: Rain likely before 5pm, then rain and snow likely. Mostly cloudy, with a high near 51. West wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 51 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: Rain and snow before 2am, then a slight chance of snow between 2am and 4am. Low around 29. North northwest wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 11am, then a slight chance of rain and snow. Mostly sunny, with a high near 51. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Northwest wind 6 to 8 mph becoming west southwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. West wind 15 to 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. West southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 39. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.

    Low: 39 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 57. Northwest wind 8 to 16 mph.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Rain likely before 5pm, then rain and snow likely. Mostly cloudy, with a high near 51. West wind 5 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tonight
Rain and snow before 2am, then a slight chance of snow between 2am and 4am. Low around 29. North northwest wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A slight chance of snow before 11am, then a slight chance of rain and snow. Mostly sunny, with a high near 51. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 30. Northwest wind 6 to 8 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 59. West southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 41. West wind 15 to 21 mph.
Sunday
Partly sunny, with a high near 69. West southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 39. West wind 16 to 21 mph decreasing to 10 to 15 mph after midnight.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 57. Northwest wind 8 to 16 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 30. Northwest wind 5 to 14 mph. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. West northwest wind 6 to 14 mph.
Tuesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph becoming west southwest after midnight.
Wednesday
Mostly cloudy, with a high near 47. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.
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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:
4:09 am MST Mar 5, 2026
Forecast Valid:
7am MST Mar 5, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation