Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

FISHTAIL (FSLM8)

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

NA

88°F

31°C

Humidity 12%
Wind Speed SSE 11 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Heat Index84°F (29°C)
Last update 19 Aug 04:22 PM MDT
Extended Forecast for

Roscoe MT

  • Tonight

    Tonight: Mostly clear, with a low around 57. North northwest wind 6 to 9 mph becoming southwest in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. West southwest wind around 6 mph becoming calm.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Northwest wind 6 to 8 mph becoming southwest in the evening.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 84. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Southwest wind around 8 mph.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 84. Southwest wind 5 to 11 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Southwest wind 5 to 9 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. North northwest wind 6 to 9 mph becoming southwest in the evening.
Thursday
Sunny, with a high near 89. West southwest wind around 6 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 63. Northwest wind 6 to 8 mph becoming southwest in the evening.
Friday
Sunny, with a high near 88. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Light and variable wind becoming south around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southwest wind around 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Southwest wind 5 to 11 mph.
Sunday Night
Partly cloudy, with a low around 58. Southwest wind 5 to 9 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Northeast wind around 7 mph becoming south southwest in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. East northeast wind around 8 mph becoming southwest after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Light and variable wind becoming east 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Roscoe MT
 45.35°N 109.53°W (Elev. 5348 ft)
4:17 pm MDT Aug 19, 2026
4pm MDT Aug 19, 2026-6pm MDT Aug 26, 2026
 
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Additional Resources

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