Current conditions at

Arrow Creek Hill I-90 MP 468.6 (MTARC)

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

unknown precip

52°F

11°C

Humidity 81%
Wind Speed NW 13 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 19 Sep 04:15 PM MDT
Extended Forecast for

5 Miles W Pompeys Pillar MT

Flood Watch September 19, 04:43pm until September 20, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 19, 04:43pm until September 20, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • This Afternoon

    High: 56 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Patchy fog. Low around 52. North wind 8 to 11 mph.  Chance of precipitation is 100%.

    Low: 52 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 3pm.  Patchy fog before noon. High near 63. North wind 6 to 8 mph.  Chance of precipitation is 90%.

    High: 63 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 9pm.  Patchy fog after 9pm.  Otherwise, cloudy, with a low around 50. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Areas
    Fog

  • Monday

    Monday: Areas of fog before noon.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 71 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 47. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 78. Light southwest wind.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Steady temperature around 56. North wind around 13 mph. Chance of precipitation is 100%.
Tonight
Showers and possibly a thunderstorm. Patchy fog. Low around 52. North wind 8 to 11 mph. Chance of precipitation is 100%.
Sunday
Showers, mainly before 3pm. Patchy fog before noon. High near 63. North wind 6 to 8 mph. Chance of precipitation is 90%.
Sunday Night
A 20 percent chance of showers before 9pm. Patchy fog after 9pm. Otherwise, cloudy, with a low around 50. North northeast wind around 5 mph becoming calm in the evening.
Monday
Areas of fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 47. East southeast wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 78. Light southwest wind.
Tuesday Night
Partly cloudy, with a low around 52. Calm wind.
Wednesday
Partly sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 52. East southeast wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 74. West wind 6 to 9 mph becoming north northeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Pompeys Pillar MT
 45.97°N 108.06°W (Elev. 2986 ft)
3:58 pm MDT Sep 19, 2026
4pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database