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

Boundary County Airport (K65S)

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

Partly Cloudy

34°F

1°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 31 Mar 10:15 PM PDT
Extended Forecast for

13 Miles W Troy MT

  • Tonight

    Tonight: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. South wind around 8 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow before 1pm, then rain and snow. High near 36. South wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Low around 28. East wind 7 to 11 mph becoming southwest after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Rain/Snow
    then Heavy
    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. High near 31. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Heavy Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 35. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 26. South wind around 8 mph.
Wednesday
Snow before 1pm, then rain and snow. High near 36. South wind around 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 10pm. The snow could be heavy at times. Low around 28. East wind 7 to 11 mph becoming southwest after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. The snow could be heavy at times. High near 31. Southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 35. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A 20 percent chance of rain. Snow level 6200 feet rising to 6800 feet in the afternoon. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Troy MT
 48.47°N 116.17°W (Elev. 5325 ft)
Last Update:
9:52 pm PDT Mar 31, 2026
Forecast Valid:
10pm PDT Mar 31, 2026-6pm PDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation