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Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

60°F

16°C

Humidity 37%
Wind Speed WNW 16 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Jun 08:00 PM MDT
Extended Forecast for

3 Miles W Pompeys Pillar MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West southwest wind 10 to 17 mph.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 80. West wind 8 to 17 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. West southwest wind 10 to 17 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 80. West wind 8 to 17 mph.
Tuesday Night
Partly cloudy, with a low around 54. West northwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming west southwest around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 57. North northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%.
Independence Day
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 83. West wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 57. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. East northeast wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny and hot, with a high near 92. Calm wind becoming north northeast around 6 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Pompeys Pillar MT
 46°N 108°W (Elev. 2844 ft)
7:34 pm MDT Jun 29, 2026
8pm MDT Jun 29, 2026-6pm MDT Jul 6, 2026
 
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Additional Resources

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