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

38°F

3°C

Humidity NA
Wind Speed S 10 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill31°F (-1°C)
Last update NA
Extended Forecast for

Cascade MT

  • Today

    Today: A chance of rain before noon, then a chance of rain after 2pm. Mostly sunny, with a high near 59. West southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 59 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain between 10pm and midnight. Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 58 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after noon. Partly sunny, with a high near 59. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 59 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain and snow. Low around 27. West southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow. High near 38. Northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. North northwest wind 13 to 18 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 3pm, then a chance of rain and snow. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

Detailed Forecast

Today
A chance of rain before noon, then a chance of rain after 2pm. Mostly sunny, with a high near 59. West southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Tonight
A 20 percent chance of rain between 10pm and midnight. Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 32 mph.
Wednesday
A 40 percent chance of rain after noon. Partly sunny, with a high near 59. Breezy, with a southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Rain before midnight, then rain and snow. Low around 27. West southwest wind 9 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 38. Northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 20. North northwest wind 13 to 18 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Friday
A chance of snow before 3pm, then a chance of rain and snow. Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade MT
 47.27°N 111.7°W (Elev. 3412 ft)
Last Update:
3:32 am MDT Apr 13, 2026
Forecast Valid:
7am MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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