National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

unknown precip

28°F

-2°C

Humidity 98%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 13 Mar 03:15 PM MDT
Extended Forecast for

9 Miles WSW Cascade MT

Winter Storm Warning March 13, 03:33pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 03:33pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 30 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 23. North northeast wind 7 to 11 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Temperature rising to near 25 by 11am, then falling to around 14 during the remainder of the day. Wind chill values as low as -5. Blustery, with a north northwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 25 °F⇓

    Heavy Snow
    and Blustery

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 6. Wind chill values as low as -10. Blustery, with a north northwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 6 °F

    Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21. South southwest wind 10 to 20 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Chance Snow
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 40. Windy, with a southwest wind 30 to 33 mph, with gusts as high as 41 mph.

    Low: 40 °F

    Chance Rain
    and Windy

Detailed Forecast

This Afternoon
Snow. High near 30. North northeast wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow. Low around 23. North northeast wind 7 to 11 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. The snow could be heavy at times. Temperature rising to near 25 by 11am, then falling to around 14 during the remainder of the day. Wind chill values as low as -5. Blustery, with a north northwest wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 6. Wind chill values as low as -10. Blustery, with a north northwest wind 20 to 25 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday
Mostly sunny, with a high near 25. Southwest wind around 11 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 21. South southwest wind 10 to 20 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.
Monday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 43. Breezy, with a south southwest wind 23 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40. Windy, with a southwest wind 30 to 33 mph, with gusts as high as 41 mph.
Tuesday
A slight chance of rain before noon. Mostly cloudy, with a high near 49. Windy.
Tuesday Night
Mostly cloudy, with a low around 43. Windy.
Wednesday
Partly sunny, with a high near 54. Windy.
Wednesday Night
Mostly cloudy, with a low around 44. Windy.
Thursday
Partly sunny, with a high near 59. Windy.
Thursday Night
Mostly cloudy, with a low around 46. Windy.
Friday
Partly sunny, with a high near 61. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Cascade MT
 47.23°N 111.88°W (Elev. 5600 ft)
Last Update:
1:32 pm MDT Mar 13, 2026
Forecast Valid:
3pm MDT Mar 13, 2026-6pm MDT Mar 20, 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