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.

Clear

57°F

14°C

Humidity 28%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Apr 05:35 PM PDT
Extended Forecast for

13 Miles W Troy MT

  • Tonight

    Tonight: Mostly clear, with a low around 31. Southwest wind around 9 mph becoming southeast after midnight.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Southeast wind 6 to 8 mph becoming west in the morning.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Southwest wind 7 to 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. East wind 7 to 9 mph becoming west in the morning.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Southwest wind around 9 mph becoming east after midnight.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 8400 feet lowering to 7200 feet in the afternoon . High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 11pm. Snow level 6600 feet lowering to 5300 feet after midnight . Low around 33. Chance of precipitation is 80%.

    Low: 33 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Southwest wind around 9 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 53. Southeast wind 6 to 8 mph becoming west in the morning.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 59. East wind 7 to 9 mph becoming west in the morning.
Monday Night
Partly cloudy, with a low around 43. Southwest wind around 9 mph becoming east after midnight.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Wednesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 8400 feet lowering to 7200 feet in the afternoon . High near 43. Chance of precipitation is 90%.
Wednesday Night
Rain and snow, becoming all snow after 11pm. Snow level 6600 feet lowering to 5300 feet after midnight . Low around 33. Chance of precipitation is 80%.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 41.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 29.
Friday
A 20 percent chance of snow. Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 46. Chance of precipitation is 20%.
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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:
2:06 pm PDT Apr 18, 2026
Forecast Valid:
5pm PDT Apr 18, 2026-6pm PDT Apr 25, 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