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

56°F

13°C

Humidity 45%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 04 Oct 08:40 AM MDT
Extended Forecast for

Ismay MT

  • Today

    Today: Sunny, with a high near 77. Southeast wind 8 to 11 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southeast wind 10 to 13 mph.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. South southeast wind 9 to 17 mph becoming west northwest in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Northeast wind around 5 mph becoming calm after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Southeast wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 50. Southeast wind 10 to 13 mph.
Monday
Sunny, with a high near 85. South southeast wind 9 to 17 mph becoming west northwest in the afternoon.
Monday Night
Mostly clear, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. Light and variable wind.
Wednesday
Mostly sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46. Northeast wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 71. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 47. East wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 77. South southeast wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 51. South southeast wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 71. South southwest wind 6 to 13 mph becoming west northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ismay MT
 46.5°N 104.81°W (Elev. 2572 ft)
Last Update:
12:32 am MDT Oct 4, 2026
Forecast Valid:
9am MDT Oct 4, 2026-6pm MDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation