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

70°F

21°C

Humidity 43%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 28 Aug 04:22 AM MDT
Extended Forecast for

Roscoe MT

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 63. Southwest wind around 8 mph.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 3pm.  Mostly cloudy, with a high near 77. Southwest wind 5 to 7 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm.  Mostly cloudy, with a low around 59. North wind around 7 mph becoming south in the evening.  Chance of precipitation is 50%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm.  Mostly cloudy, with a high near 73. Southwest wind around 6 mph becoming east northeast in the afternoon.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph.  Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. West wind 5 to 11 mph.  Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind 6 to 11 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Southwest wind 5 to 8 mph becoming northeast in the afternoon.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Southwest wind around 7 mph.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 8 mph.
Friday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Mostly cloudy, with a low around 59. North wind around 7 mph becoming south in the evening. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly cloudy, with a high near 73. Southwest wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. West wind 5 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 48. Southwest wind 6 to 11 mph.
Monday
Sunny, with a high near 76. Southwest wind 5 to 8 mph becoming northeast in the afternoon.
Monday Night
Mostly clear, with a low around 53. Southwest wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. Southwest wind 9 to 13 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80. Southwest wind 8 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 51. Southwest wind 9 to 13 mph.
Thursday
Mostly sunny, with a high near 76. South southwest wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Roscoe MT
 45.36°N 109.5°W (Elev. 5200 ft)
12:32 am MDT Aug 28, 2026
5am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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Additional Resources

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