Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Boundary County Airport (K65S)

Lat: 48.726°NLon: 116.2952°WElev: 2333.0ft.

Overcast

28°F

-2°C

Humidity 74%
Wind Speed N 9 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 20 Jan 03:55 AM PST
Extended Forecast for

13 Miles W Troy MT

Air Stagnation Advisory January 20, 04:13am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 04:13am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 27 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Southwest wind around 8 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 24. Northeast wind around 7 mph becoming northwest in the afternoon.

    High: 24 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. West wind around 8 mph becoming north after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22. Northeast wind around 9 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 27. Northwest wind 5 to 9 mph becoming northeast in the morning.
Tonight
Increasing clouds, with a low around 17. Southwest wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 24. Northeast wind around 7 mph becoming northwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 15. West wind around 8 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 22. Northeast wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 12.
Friday
Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 23.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Troy MT
 48.47°N 116.17°W (Elev. 5325 ft)
1:12 am PST Jan 20, 2026
4am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database