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

25°F

-4°C

Humidity 97%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill17°F (-8°C)
Last update 13 Mar 08:30 PM MDT
Extended Forecast for

9 Miles W Cascade MT

Winter Storm Warning March 13, 08:56pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 08:56pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Tonight

    Low: 23 °F

    Snow and
    Patchy Fog

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Patchy fog before 9am. High near 28. Blustery, with a northwest wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 28 °F

    Heavy Snow
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 6. Wind chill values as low as -5. Blustery, with a north northwest wind 21 to 26 mph becoming northwest 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 6 °F

    Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 22. South southwest wind 9 to 18 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.

    Low: 22 °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 45. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Chance Snow
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 42. Windy, with a southwest wind 30 to 34 mph, with gusts as high as 47 mph.

    Low: 42 °F

    Chance Rain
    and Windy

  • Tuesday

    Tuesday: A slight chance of rain before noon. Mostly cloudy, with a high near 54. Windy, with a south southwest wind 32 to 34 mph, with gusts as high as 47 mph.

    High: 54 °F

    Windy. Slight
    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Snow. Patchy fog after 9pm. Low around 23. East northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Saturday
Snow. The snow could be heavy at times. Patchy fog before 9am. High near 28. Blustery, with a northwest wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 6. Wind chill values as low as -5. Blustery, with a north northwest wind 21 to 26 mph becoming northwest 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Mostly sunny, with a high near 28. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 22. South southwest wind 9 to 18 mph, with gusts as high as 26 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 45. Breezy, with a south southwest wind 22 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42. Windy, with a southwest wind 30 to 34 mph, with gusts as high as 47 mph.
Tuesday
A slight chance of rain before noon. Mostly cloudy, with a high near 54. Windy, with a south southwest wind 32 to 34 mph, with gusts as high as 47 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Windy.
Wednesday
Partly sunny, with a high near 59. Windy.
Wednesday Night
Mostly cloudy, with a low around 46. Windy.
Thursday
Partly sunny, with a high near 64. Windy.
Thursday Night
Mostly cloudy, with a low around 48. Windy.
Friday
Partly sunny, with a high near 65. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Cascade MT
 47.27°N 111.89°W (Elev. 4797 ft)
Last Update:
8:38 pm MDT Mar 13, 2026
Forecast Valid:
8pm 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