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 Chill | 46°F (8°C) |
| Last update | 08 Oct 04:15 AM MDT |
Extended Forecast for
3 Miles WSW Pompeys Pillar MT
Today

High: 80 °F
Sunny
Tonight

Low: 47 °F
Mostly Cloudy
Friday

High: 87 °F
Sunny
Friday Night

Low: 51 °F
Partly Cloudy
Saturday

High: 63 °F
Partly Sunny
Saturday Night
Low: 35 °F
Chance Rain
then RainSunday

High: 40 °F
Rain/Snow
Sunday Night

Low: 29 °F
Rain/Snow
Columbus Day
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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Pompeys Pillar MT
45.98°N 108°W (Elev. 2949 ft)
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


