Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

unknown precip

62°F

17°C

Humidity 27%
Wind Speed WNW 9 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 25 Mar 12:45 AM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

Red Flag Warning March 25, 12:00pm until March 25, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Northwest wind around 8 mph becoming southwest.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. South southwest wind 7 to 12 mph becoming west 19 to 24 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 3am, then rain and snow showers likely.  Mostly cloudy, with a low around 37. North northwest wind 16 to 21 mph becoming west southwest 10 to 15 mph after midnight.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Showers then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow showers before noon.  Cloudy through mid morning, then gradual clearing, with a high near 50. South southwest wind 9 to 17 mph becoming northwest in the afternoon.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. North northwest wind 8 to 13 mph becoming light and variable  after midnight.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. East southeast wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Northwest wind around 8 mph becoming southwest.
Wednesday
Partly sunny, with a high near 81. South southwest wind 7 to 12 mph becoming west 19 to 24 mph in the afternoon.
Wednesday Night
A chance of rain showers before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 37. North northwest wind 16 to 21 mph becoming west southwest 10 to 15 mph after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 50. South southwest wind 9 to 17 mph becoming northwest in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 25. North northwest wind 8 to 13 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 58. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 31. East southeast wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 73. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 76. West southwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 42. North wind 5 to 8 mph.
Monday
Partly sunny, with a high near 74. Light west wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 38. North northeast wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 63. East northeast wind 5 to 11 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
12:43 am MDT Mar 25, 2026
1am MDT Mar 25, 2026-6pm MDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database