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

TROY (TROM8)

Lat: 48.48165°NLon: 115.90507°WElev: 2009.0ft.

NA

20°F

-7°C

Humidity 95%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 30 Dec 02:07 AM MST
Extended Forecast for

10 Miles N Troy MT

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: A 10 percent chance of rain after 5pm. Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 2am, then a chance of snow. Snow level 3300 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow likely, becoming all rain after 2pm. Snow level 3500 feet rising to 4600 feet in the afternoon. Cloudy, with a high near 38.

    High: 38 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Calm wind.
Tuesday
Mostly sunny, with a high near 33. Calm wind.
Tuesday Night
Partly cloudy, with a low around 24. Calm wind.
Wednesday
Mostly sunny, with a high near 35. Calm wind.
Wednesday Night
Partly cloudy, with a low around 24. Calm wind.
New Year's Day
A 10 percent chance of rain after 5pm. Partly sunny, with a high near 35.
Thursday Night
A chance of rain and snow before 2am, then a chance of snow. Snow level 3300 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow likely, becoming all rain after 2pm. Snow level 3500 feet rising to 4600 feet in the afternoon. Cloudy, with a high near 38.
Friday Night
Rain likely. Cloudy, with a low around 36.
Saturday
Rain before 8am, then rain and snow. Snow level 5200 feet lowering to 4200 feet in the afternoon . Mostly cloudy, with a high near 40.
Saturday Night
Rain and snow likely. Snow level 4000 feet lowering to 3300 feet after midnight . Mostly cloudy, with a low around 34.
Sunday
Snow likely. Mostly cloudy, with a high near 38.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 32.
Monday
A chance of snow. Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Troy MT
 48.61°N 115.89°W (Elev. 3287 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
2am MST Dec 30, 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