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

84°F

29°C

Humidity 15%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Heat Index81°F (27°C)
Last update 25 May 03:30 PM MDT
Extended Forecast for

3 Miles ESE Cascade MT

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy smoke between 8pm and 9pm. Mostly cloudy, with a low around 53. Southeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 87. Light and variable wind becoming east northeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East wind 5 to 9 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy smoke between 8pm and 9pm. Mostly cloudy, with a low around 53. Southeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 87. Light and variable wind becoming east northeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Showers and thunderstorms likely before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 55. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 81. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. East wind 5 to 9 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 54.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 49.
Sunday
A chance of rain and thunderstorms. Mostly sunny, with a high near 76.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Cascade MT
 47.25°N 111.64°W (Elev. 3399 ft)
Last Update:
12:56 pm MDT May 25, 2026
Forecast Valid:
3pm MDT May 25, 2026-6pm MDT Jun 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation