Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

NA

48°F

9°C

Humidity 38%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 08 Oct 04:15 AM MDT
Extended Forecast for

3 Miles WSW Pompeys Pillar MT

  • Today

    Today: Sunny, with a high near 80. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East wind around 6 mph becoming light and variable.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. West southwest wind 5 to 13 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. South southwest wind 5 to 7 mph becoming north after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. North northeast wind 5 to 15 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after midnight.  Low around 35. North wind 13 to 16 mph.  Chance of precipitation is 80%.

    Low: 35 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain, possibly mixed with snow.  High near 40. North northeast wind around 11 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers.  Low around 29. North northeast wind around 10 mph.  Chance of precipitation is 90%.

    Low: 29 °F

    Rain/Snow

  • Columbus Day

    Columbus Day: A chance of rain and snow showers before 3pm, then a slight chance of rain showers.  Mostly cloudy, with a high near 43. North northeast wind 5 to 7 mph becoming south southwest in the afternoon.  Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 80. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Tonight
Mostly cloudy, with a low around 47. East wind around 6 mph becoming light and variable.
Friday
Sunny, with a high near 87. West southwest wind 5 to 13 mph.
Friday Night
Partly cloudy, with a low around 51. South southwest wind 5 to 7 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 63. North northeast wind 5 to 15 mph.
Saturday Night
Rain, mainly after midnight. Low around 35. North wind 13 to 16 mph. Chance of precipitation is 80%.
Sunday
Rain, possibly mixed with snow. High near 40. North northeast wind around 11 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow showers. Low around 29. North northeast wind around 10 mph. Chance of precipitation is 90%.
Columbus Day
A chance of rain and snow showers before 3pm, then a slight chance of rain showers. Mostly cloudy, with a high near 43. North northeast wind 5 to 7 mph becoming south southwest in the afternoon. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 32. Light and variable wind.
Tuesday
Mostly sunny, with a high near 58. Light southwest wind.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38. Light west southwest wind.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 61. West wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Pompeys Pillar MT
 45.98°N 108°W (Elev. 2949 ft)
12:32 am MDT Oct 8, 2026
4am MDT Oct 8, 2026-6pm MDT Oct 14, 2026
 
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Additional Resources

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