Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

93°F

34°C

Humidity 9%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Heat Index88°F (31°C)
Last update 04 Sep 05:00 PM MDT
Extended Forecast for

8 Miles W Pompeys Pillar MT

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming northeast 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Northeast wind 5 to 9 mph becoming west northwest after midnight.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 60. East northeast wind 8 to 10 mph becoming west northwest after midnight.  Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Labor Day

    Labor Day: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 82. West wind 6 to 15 mph.  Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 53. West wind 15 to 20 mph.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 15 to 20 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Northwest wind 10 to 15 mph becoming light and variable  after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. North wind 6 to 11 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 86. Calm wind becoming northeast 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 58. Northeast wind 5 to 9 mph becoming west northwest after midnight.
Sunday
Mostly sunny, with a high near 87. Light and variable wind becoming east northeast 5 to 8 mph in the afternoon.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. East northeast wind 8 to 10 mph becoming west northwest after midnight. Chance of precipitation is 70%.
Labor Day
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 82. West wind 6 to 15 mph. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 53. West wind 15 to 20 mph.
Tuesday
Sunny, with a high near 78. West wind 15 to 20 mph.
Tuesday Night
Mostly clear, with a low around 49. Northwest wind 10 to 15 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming east southeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. East wind around 5 mph becoming light and variable after midnight.
Thursday
Partly sunny, with a high near 85. West southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 56. West northwest wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 83. West wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Pompeys Pillar MT
 45.97°N 108.12°W (Elev. 2972 ft)
1:22 pm MDT Sep 4, 2026
5pm MDT Sep 4, 2026-6pm MDT Sep 11, 2026
 
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Additional Resources

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