National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boulder Hill I-15 MP 170.9 (MTBOU)

Lat: 46.3233°NLon: 112.06891°WElev: 5593.0ft.

NA

54°F

12°C

Humidity 35%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 18 Oct 01:15 PM MDT
Extended Forecast for

2 Miles NNE Boulder MT

  • This Afternoon

    This Afternoon: Partly sunny early, then becoming sunny, with a high near 61. East southeast wind around 6 mph.

    High: 61 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North northeast wind around 5 mph becoming calm.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. South southwest wind 5 to 11 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South southwest wind around 6 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Calm wind becoming east around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. East northeast wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the morning.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. South southwest wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny early, then becoming sunny, with a high near 61. East southeast wind around 6 mph.
Tonight
Mostly clear, with a low around 38. North northeast wind around 5 mph becoming calm.
Monday
Sunny, with a high near 66. South southwest wind 5 to 11 mph.
Monday Night
Mostly cloudy, with a low around 40. South southwest wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 63. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 43. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 42.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Boulder MT
 46.26°N 112.11°W (Elev. 4934 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
1pm MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation