Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

41°F

5°C

Humidity 29%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 19 Apr 07:01 AM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

  • Today

    Today: Sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. West wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. South southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. West southwest wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Southeast wind 3 to 6 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 83. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after midnight.  Low around 39. West wind 18 to 22 mph.  Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Rain showers before 9am, then rain and snow showers between 9am and 3pm, then a chance of rain showers after 3pm.  High near 49. Northwest wind 22 to 28 mph.  Chance of precipitation is 80%.

    High: 49 °F

    Rain/Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 42. South wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 80. West wind around 6 mph.
Monday Night
Mostly clear, with a low around 47. South southwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 88. West southwest wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 55. Southeast wind 3 to 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 83. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 39. West wind 18 to 22 mph. Chance of precipitation is 90%.
Thursday
Rain showers before 9am, then rain and snow showers between 9am and 3pm, then a chance of rain showers after 3pm. High near 49. Northwest wind 22 to 28 mph. Chance of precipitation is 80%.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 30. Northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 49. Northwest wind 8 to 16 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 28. North wind 5 to 15 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow showers. Partly sunny, with a high near 49. North northwest wind 5 to 8 mph. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
12:38 am MDT Apr 19, 2026
7am MDT Apr 19, 2026-6pm MDT Apr 25, 2026
 
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Additional Resources

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