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

KNOWLTON (KTFM8)

Lat: 46.30739°NLon: 105.02978°WElev: 3320.0ft.

NA

59°F

15°C

Humidity 28%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 20 Apr 09:40 AM MDT
Extended Forecast for

18 Miles SW Ismay MT

  • Today

    Today: Sunny, with a high near 74. West southwest wind around 10 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. North northwest wind 7 to 10 mph becoming south southeast after midnight.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. South southeast wind 7 to 10 mph becoming west southwest in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. South southwest wind 5 to 11 mph becoming east southeast in the evening.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. South southeast wind 11 to 15 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. West wind 14 to 18 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers before 9am, then rain, possibly mixed with snow showers between 9am and 3pm, then snow likely after 3pm. Some thunder is also possible. Temperature falling to around 39 by 10am. West northwest wind 21 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F⇓

    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28. West northwest wind 18 to 28 mph, with gusts as high as 39 mph.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 40. West northwest wind 16 to 20 mph.

    High: 40 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 74. West southwest wind around 10 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 47. North northwest wind 7 to 10 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 83. South southeast wind 7 to 10 mph becoming west southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. South southwest wind 5 to 11 mph becoming east southeast in the evening.
Wednesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 82. South southeast wind 11 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. West wind 14 to 18 mph. Chance of precipitation is 60%.
Thursday
Rain showers before 9am, then rain, possibly mixed with snow showers between 9am and 3pm, then snow likely after 3pm. Some thunder is also possible. Temperature falling to around 39 by 10am. West northwest wind 21 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28. West northwest wind 18 to 28 mph, with gusts as high as 39 mph.
Friday
A 30 percent chance of snow showers, mainly after noon. Partly sunny, with a high near 40. West northwest wind 16 to 20 mph.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 25. West wind 10 to 18 mph.
Saturday
Partly sunny, with a high near 42. West northwest wind 9 to 14 mph.
Saturday Night
Partly cloudy, with a low around 24. North wind 6 to 13 mph.
Sunday
Partly sunny, with a high near 45. North northwest wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Ismay MT
 46.34°N 105.1°W (Elev. 3232 ft)
Last Update:
8:28 am MDT Apr 20, 2026
Forecast Valid:
10am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation