Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >
Current conditions at
Gary Cooper Bridge I-15 MP 242 (MTYEP)
Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.NA
49°F
9°C
| Humidity | 90% |
| Wind Speed | SE 2 MPH |
| Barometer | NA |
| Dewpoint | 46°F (8°C) |
| Visibility | NA |
| Last update | 20 Sep 05:15 AM MDT |
Extended Forecast for
3 Miles ESE Cascade MT
Today
High: 74 °F
Sunny
Tonight
Low: 46 °F
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 74. Light and variable wind.
Tonight
Mostly clear, with a low around 46. East northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Southwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 48. South southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 81. South southwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 51. South southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 80. Light south southwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 50. West wind 5 to 10 mph becoming light south southwest after midnight.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 66.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Cascade MT
47.25°N 111.64°W (Elev. 3399 ft)
47.25°N 111.64°W (Elev. 3399 ft)
3:42 am MDT Sep 20, 2026
5am MDT Sep 20, 2026-6pm MDT Sep 26, 2026
Additional Resources
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