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

FISHTAIL (FSLM8)

Lat: 45.45806°NLon: 109.57139°WElev: 4550.0ft.

NA

15°F

-9°C

Humidity 88%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Last update 21 Feb 05:22 AM MST
Extended Forecast for

Fishtail MT

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming east around 5 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. East wind 5 to 8 mph becoming southwest in the evening.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 56. Southwest wind 7 to 11 mph.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. West southwest wind 11 to 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. West southwest wind 13 to 17 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain showers likely before 8pm, then rain likely, possibly mixed with snow showers between 8pm and 2am, then snow showers likely after 2am. Mostly cloudy, with a low around 31. West wind 15 to 17 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of snow showers. Mostly cloudy, then gradually becoming sunny, with a high near 47. West northwest wind 18 to 26 mph, with gusts as high as 44 mph.

    High: 47 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West southwest wind 10 to 16 mph.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 13. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 44. Calm wind becoming east around 5 mph.
Sunday Night
Mostly clear, with a low around 27. East wind 5 to 8 mph becoming southwest in the evening.
Monday
Partly sunny, with a high near 56. Southwest wind 7 to 11 mph.
Monday Night
Mostly cloudy, with a low around 37. West southwest wind 11 to 15 mph.
Tuesday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 54. West southwest wind 13 to 17 mph. Chance of precipitation is 60%.
Tuesday Night
Rain showers likely before 8pm, then rain likely, possibly mixed with snow showers between 8pm and 2am, then snow showers likely after 2am. Mostly cloudy, with a low around 31. West wind 15 to 17 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow showers. Mostly cloudy, then gradually becoming sunny, with a high near 47. West northwest wind 18 to 26 mph, with gusts as high as 44 mph.
Wednesday Night
Partly cloudy, with a low around 28. West southwest wind 10 to 16 mph.
Thursday
Mostly sunny, with a high near 55. West southwest wind 11 to 20 mph.
Thursday Night
A 20 percent chance of snow showers. Partly cloudy, with a low around 32. West southwest wind 14 to 16 mph.
Friday
A 30 percent chance of snow showers. Partly sunny, with a high near 55. West wind 14 to 24 mph.
Friday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 27. West wind 14 to 18 mph.
Saturday
A 30 percent chance of snow showers. Partly sunny, with a high near 48. West wind 13 to 21 mph becoming north in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fishtail MT
 45.46°N 109.52°W (Elev. 4800 ft)
Last Update:
10:09 pm MST Feb 21, 2026
Forecast Valid:
10pm MST Feb 21, 2026-6pm MST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation