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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

76°F

24°C

Humidity 37%
Wind Speed ENE 13 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 06 Jul 01:45 PM MDT
Extended Forecast for

8 Miles W Pompeys Pillar MT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 83. East northeast wind 11 to 15 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 63. East northeast wind 8 to 16 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Northeast wind 6 to 10 mph becoming west northwest in the afternoon.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 61. North northeast wind 6 to 11 mph becoming light north after midnight.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 92. Light and variable wind. Chance of precipitation is 30%.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. South southeast wind around 5 mph becoming light and variable after midnight.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Light and variable wind becoming west around 5 mph in the morning.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Northeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.

    High: 95 °F

    Hot

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 83. East northeast wind 11 to 15 mph.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 63. East northeast wind 8 to 16 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Northeast wind 6 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 61. North northeast wind 6 to 11 mph becoming light north after midnight.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 92. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. South southeast wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 91. Light and variable wind becoming west around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 63. Northeast wind 3 to 6 mph.
Friday
Sunny and hot, with a high near 95. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. East wind around 6 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 103. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 68. East wind 5 to 9 mph becoming northwest after midnight.
Sunday
Sunny and hot, with a high near 102. Light and variable wind becoming east northeast 6 to 11 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Pompeys Pillar MT
 45.97°N 108.12°W (Elev. 2972 ft)
Last Update:
12:59 pm MDT Jul 6, 2026
Forecast Valid:
2pm MDT Jul 6, 2026-6pm MDT Jul 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation