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.

NA

45°F

7°C

Humidity 72%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 11 Apr 02:30 AM MDT
Extended Forecast for

4 Miles WSW Cascade MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Southwest wind around 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 67. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 41. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: Showers likely after noon. Increasing clouds, with a high near 55. Southwest wind around 10 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

    High: 55 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain. Low around 39. East wind 9 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Monday

    Monday: Snow likely before 9am, then rain and snow likely between 9am and noon, then rain after noon. High near 52. West southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 52 °F

    Rain/Snow
    Likely then
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 37. South southwest wind around 17 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Breezy, with a south southwest wind 17 to 26 mph, with gusts as high as 39 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Southwest wind around 9 mph.
Saturday
A chance of rain between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 67. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 41. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Showers likely after noon. Increasing clouds, with a high near 55. Southwest wind around 10 mph becoming northeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
Rain. Low around 39. East wind 9 to 11 mph becoming west southwest after midnight. Chance of precipitation is 80%.
Monday
Snow likely before 9am, then rain and snow likely between 9am and noon, then rain after noon. High near 52. West southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 37. South southwest wind around 17 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 53. Breezy, with a south southwest wind 17 to 26 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Breezy.
Wednesday
A slight chance of snow before 9am, then a slight chance of rain between 9am and noon, then a chance of rain and snow after noon. Partly sunny, with a high near 52. Windy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Breezy.
Thursday
Snow likely. Mostly cloudy, with a high near 39.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Friday
A slight chance of snow. Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Cascade MT
 47.24°N 111.79°W (Elev. 4747 ft)
Last Update:
12:32 am MDT Apr 11, 2026
Forecast Valid:
2am MDT Apr 11, 2026-6pm MDT Apr 17, 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