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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

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

NA

41°F

5°C

Humidity 39%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 29 Dec 09:45 PM MST
Extended Forecast for

4 Miles WSW Cascade MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Southwest wind 15 to 21 mph, with gusts as high as 28 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 40. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 32 mph.

    High: 40 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Breezy, with a southwest wind around 22 mph, with gusts as high as 31 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 32 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 45. South southwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. South southwest wind 14 to 17 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South southwest wind around 18 mph, with gusts as high as 29 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Southwest wind 15 to 21 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 40. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 35. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph.
Wednesday
Mostly sunny, with a high near 45. Breezy, with a southwest wind around 22 mph, with gusts as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 32 mph.
New Year's Day
Partly sunny, with a high near 45. South southwest wind 13 to 20 mph, with gusts as high as 28 mph.
Thursday Night
Mostly cloudy, with a low around 36. South southwest wind 14 to 17 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 47. South southwest wind around 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Cascade MT
 47.24°N 111.79°W (Elev. 4747 ft)
Last Update:
9:47 pm MST Dec 29, 2025
Forecast Valid:
10pm MST Dec 29, 2025-6pm MST Jan 5, 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