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

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

22°F

-6°C

Humidity 89%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 29 Dec 09:43 PM MST
Extended Forecast for

3 Miles NW Swan Lake MT

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 38. Calm wind.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain and snow after 11pm. Snow level 4000 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Calm wind.
Tuesday
Mostly sunny, with a high near 36. Calm wind.
Tuesday Night
Partly cloudy, with a low around 23. Calm wind.
Wednesday
Sunny, with a high near 38. Calm wind.
Wednesday Night
Partly cloudy, with a low around 25. Calm wind.
New Year's Day
Mostly cloudy, with a high near 37.
Thursday Night
A slight chance of rain and snow after 11pm. Snow level 4000 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Friday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 40.
Friday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
Rain and snow likely, mainly after 11am. Mostly cloudy, with a high near 42.
Saturday Night
A chance of rain and snow. Snow level 4500 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow. Snow level 3400 feet. Mostly cloudy, with a high near 40.
Sunday Night
A chance of rain and snow. Snow level 3500 feet. Mostly cloudy, with a low around 30.
Monday
A chance of rain and snow. Snow level 3200 feet. Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Swan Lake MT
 47.96°N 113.91°W (Elev. 3199 ft)
Last Update:
1:01 pm MST Dec 29, 2025
Forecast Valid:
10pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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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