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

73°F

23°C

Humidity 17%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 20 Apr 02:22 PM MDT
Extended Forecast for

Fishtail MT

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 45. West southwest wind 7 to 13 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West southwest wind 5 to 13 mph becoming east in the morning.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. South southwest wind 8 to 10 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 73. Southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 3am, then rain, possibly mixed with snow showers. Low around 39. West wind 18 to 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers likely, mainly before noon. Cloudy, with a high near 50. West northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. West northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 44. North northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 60%.

    High: 44 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North northwest wind 5 to 14 mph becoming west southwest after midnight.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 45. West southwest wind 7 to 13 mph.
Tuesday
Sunny, with a high near 80. West southwest wind 5 to 13 mph becoming east in the morning.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 49. South southwest wind 8 to 10 mph.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 73. Southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Rain showers before 3am, then rain, possibly mixed with snow showers. Low around 39. West wind 18 to 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Rain and snow showers likely, mainly before noon. Cloudy, with a high near 50. West northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. West northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 44. North northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North northwest wind 5 to 14 mph becoming west southwest after midnight.
Saturday
A 20 percent chance of snow showers. Partly sunny, with a high near 46. West wind 5 to 10 mph becoming north in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. North northeast wind 5 to 9 mph becoming calm after midnight.
Sunday
A 20 percent chance of snow showers. Mostly sunny, with a high near 50. Calm wind becoming north northeast 5 to 9 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. North northeast wind 5 to 8 mph becoming calm after midnight.
Monday
A slight chance of rain and snow showers. Partly sunny, with a high near 55. Calm wind becoming northwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
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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:
1:18 pm MDT Apr 20, 2026
Forecast Valid:
3pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation