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

66°F

19°C

Humidity 29%
Wind Speed NW 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Apr 03:55 PM PDT
Extended Forecast for

13 Miles W Troy MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind around 8 mph becoming east after midnight.

    Low: 39 °F

    Decreasing
    Clouds

  • Monday

    Monday: Increasing clouds, with a high near 60. Southeast wind 6 to 9 mph becoming southwest in the afternoon.

    High: 60 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Southeast wind around 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of thunderstorms after 5pm. Mostly sunny, with a high near 63. East wind around 9 mph becoming north in the afternoon. Chance of precipitation is 10%.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Northwest wind around 11 mph becoming southwest in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain showers before 2pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 8200 feet lowering to 6900 feet in the afternoon . High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after 2am. Snow level 6500 feet lowering to 5300 feet after midnight . Low around 32. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 50 percent chance of snow showers. Partly sunny, with a high near 41.

    High: 41 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind around 8 mph becoming east after midnight.
Monday
Increasing clouds, with a high near 60. Southeast wind 6 to 9 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Southeast wind around 9 mph.
Tuesday
A slight chance of thunderstorms after 5pm. Mostly sunny, with a high near 63. East wind around 9 mph becoming north in the afternoon. Chance of precipitation is 10%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Northwest wind around 11 mph becoming southwest in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain showers before 2pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 8200 feet lowering to 6900 feet in the afternoon . High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, becoming all snow after 2am. Snow level 6500 feet lowering to 5300 feet after midnight . Low around 32. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow showers. Partly sunny, with a high near 41.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 28.
Friday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 40.
Friday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 28.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A 20 percent chance of snow showers. Mostly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:36 pm PDT Apr 19, 2026
Forecast Valid:
4pm PDT Apr 19, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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