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

27°F

-3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 19 Jan 03:15 AM PST
Extended Forecast for

13 Miles W Troy MT

Air Stagnation Advisory January 19, 03:33am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 03:33am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 27. Southwest wind 6 to 9 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Southwest wind 8 to 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 27. Northeast wind 6 to 8 mph becoming west in the afternoon.

    High: 27 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. Northwest wind around 8 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 18. West wind around 7 mph.
M.L.King Day
Mostly sunny, with a high near 27. Southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 19. Southwest wind 8 to 10 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 27. Northeast wind 6 to 8 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 17. Northwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly cloudy, with a high near 24.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 20.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Troy MT
 48.47°N 116.17°W (Elev. 5325 ft)
2:57 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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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