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

49°F

9°C

Humidity 50%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 10 Jun 03:22 AM MDT
Extended Forecast for

Fishtail MT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 45. West wind 10 to 14 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers between 11am and noon, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 60. West northwest wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%.

    High: 60 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. West wind 23 to 29 mph, with gusts as high as 44 mph.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny through mid morning, then becoming sunny, with a high near 71. Northwest wind 13 to 20 mph.

    High: 71 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northwest wind 6 to 11 mph becoming southwest in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. West southwest wind 5 to 9 mph becoming north in the morning.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon. High near 62. Calm wind becoming north northeast 5 to 9 mph in the morning. Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 43. North northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 45. West wind 10 to 14 mph.
Wednesday
Isolated showers between 11am and noon, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 60. West northwest wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 44. West wind 23 to 29 mph, with gusts as high as 44 mph.
Thursday
Partly sunny through mid morning, then becoming sunny, with a high near 71. Northwest wind 13 to 20 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 6 to 11 mph becoming southwest in the evening.
Friday
Sunny, with a high near 78. West southwest wind 5 to 9 mph becoming north in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 50%.
Saturday
Showers, with thunderstorms also possible after noon. High near 62. Calm wind becoming north northeast 5 to 9 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 43. North northeast wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 50%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 43. North wind 5 to 7 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 46. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fishtail MT
 45.46°N 109.52°W (Elev. 4800 ft)
Last Update:
2:40 am MDT Jun 10, 2026
Forecast Valid:
3am MDT Jun 10, 2026-6pm MDT Jun 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation