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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
37°F
3°C
| Humidity | 68% |
| Wind Speed | SE 5 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Wind Chill | 33°F (1°C) |
| Last update | 13 Oct 01:15 AM MDT |
Extended Forecast for
5 Miles SW Pompeys Pillar MT
Overnight

Low: 32 °F
Areas Fog
Tuesday
High: 55 °F
Areas Fog
then Mostly
SunnyTuesday Night
Low: 30 °F
Mostly Clear
then Patchy
FogWednesday
High: 60 °F
Patchy Fog
then SunnyWednesday Night

Low: 38 °F
Partly Cloudy
Thursday

High: 61 °F
Sunny
Thursday Night

Low: 35 °F
Mostly Clear
Friday

High: 71 °F
Sunny
Friday Night

Low: 44 °F
Mostly Clear
Detailed Forecast
Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 32. Calm wind becoming south southwest around 5 mph.
Tuesday
Areas of fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. Southwest wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 30. West wind around 5 mph becoming light and variable.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 60. Southwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 38. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 61. Northwest wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 35. Light and variable wind.
Friday
Sunny, with a high near 71. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 44. Calm wind becoming west southwest around 5 mph after midnight.
Saturday
Sunny, with a high near 76. West southwest wind 6 to 13 mph.
Saturday Night
Mostly clear, with a low around 44. West southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 71. Light and variable wind.
Sunday Night
Mostly clear, with a low around 43. Calm wind.
Monday
Sunny, with a high near 75. Light southwest wind.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SW Pompeys Pillar MT
45.95°N 108.03°W (Elev. 3081 ft)
45.95°N 108.03°W (Elev. 3081 ft)
12:42 am MDT Oct 13, 2026
1am MDT Oct 13, 2026-6pm MDT Oct 19, 2026


