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

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

unknown precip

56°F

13°C

Humidity 95%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 27 Jun 05:15 PM MDT
Extended Forecast for

8 Miles W Cascade MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 60. West northwest wind around 8 mph.

    High: 60 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then rain after midnight. Low around 45. West wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers
    Likely then
    Rain

  • Sunday

    Sunday: Rain. High near 49. West wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 45. Breezy, with a southwest wind 23 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.

    Low: 45 °F

    Rain and
    Breezy

  • Monday

    Monday: Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 49. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.

    High: 49 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 44. Southwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 62. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. South southwest wind 9 to 11 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 60. West northwest wind around 8 mph.
Tonight
Showers and thunderstorms likely, then rain after midnight. Low around 45. West wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 49. West wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly after 8pm. Low around 45. Breezy, with a southwest wind 23 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 100%.
Monday
Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 49. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 44. Southwest wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 62. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 47. South southwest wind 9 to 11 mph.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Independence Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Cascade MT
 47.26°N 111.86°W (Elev. 5400 ft)
Last Update:
4:17 pm MDT Jun 27, 2026
Forecast Valid:
5pm MDT Jun 27, 2026-6pm MDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation