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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

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

NA

2°F

-17°C

Humidity 75%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint -4°F (-20°C)
Visibility NA
Wind Chill-11°F (-24°C)
Last update 28 Dec 04:00 AM MST
Extended Forecast for

9 Miles WSW Cascade MT

  • Today

    Today: Sunny, with a high near 19. Wind chill values as low as -25. Southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 19 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 23 by 5am. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 36 mph.

    Low: 19 °F⇑

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 30. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 33 mph.

    High: 30 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 32 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South southwest wind 15 to 17 mph, with gusts as high as 23 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South southwest wind 15 to 18 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 19. Wind chill values as low as -25. Southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a temperature rising to around 23 by 5am. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 30. Breezy, with a southwest wind 20 to 24 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a low around 27. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 35. South southwest wind 15 to 17 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 40. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South southwest wind 15 to 18 mph, with gusts as high as 21 mph.
New Year's Day
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 38.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:27 am MST Dec 28, 2025
Forecast Valid:
4am MST Dec 28, 2025-6pm MST Jan 3, 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