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

54°F

12°C

Humidity 42%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 20 Apr 09:00 AM MDT
Extended Forecast for

Cascade MT

  • Today

    Today: Sunny, with a high near 76. Light southwest wind becoming west 6 to 11 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West wind 6 to 11 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Light southwest wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. South wind 5 to 10 mph becoming light south southwest after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 3pm. High near 71. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%.

    High: 71 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Some thunder is also possible. Low around 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Showers then
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Snow. High near 42. Breezy, with a north northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 42 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 76. Light southwest wind becoming west 6 to 11 mph in the afternoon.
Tonight
Partly cloudy, with a low around 44. West wind 6 to 11 mph becoming light southwest in the evening. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 81. Light southwest wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 47. South wind 5 to 10 mph becoming light south southwest after midnight.
Wednesday
Showers and possibly a thunderstorm, mainly after 3pm. High near 71. Light southwest wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Wednesday Night
Rain before 3am, then rain and snow. Some thunder is also possible. Low around 31. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 42. Breezy, with a north northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind 9 to 18 mph, with gusts as high as 29 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade MT
 47.27°N 111.7°W (Elev. 3412 ft)
Last Update:
4:21 am MDT Apr 20, 2026
Forecast Valid:
9am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation