Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

FISHTAIL (FSLM8)

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

NA

66°F

19°C

Humidity 75%
Wind Speed W 10 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 28 Aug 01:22 PM MDT
Extended Forecast for

Fishtail MT

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 3pm.  Mostly cloudy, with a steady temperature around 71. West northwest wind around 6 mph becoming south southeast.  Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am.  Mostly cloudy, with a low around 58. South wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a chance of showers after 4am.  Mostly cloudy, with a low around 54. South southeast wind around 5 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 72. Light southwest wind becoming west northwest 5 to 10 mph in the morning.  Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Northwest wind 8 to 13 mph becoming light and variable  after midnight.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. East northeast wind 5 to 8 mph becoming light and variable.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a steady temperature around 71. West northwest wind around 6 mph becoming south southeast. Chance of precipitation is 60%.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 58. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 54. South southeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. Light southwest wind becoming west northwest 5 to 10 mph in the morning. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 47. Northwest wind 8 to 13 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. East northeast wind 5 to 8 mph becoming light and variable.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. South wind 7 to 9 mph becoming west in the evening.
Wednesday
Mostly sunny, with a high near 84. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. West southwest wind 7 to 10 mph.
Thursday
Mostly sunny, with a high near 80. West southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fishtail MT
 45.46°N 109.52°W (Elev. 4800 ft)
12:33 pm MDT Aug 28, 2026
1pm MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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Additional Resources

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