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

77°F

25°C

Humidity 28%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index78°F (26°C)
Last update 19 Aug 10:22 AM MDT
Extended Forecast for

3 Miles NE Roscoe MT

  • Today

    Today: Sunny, with a high near 86. Northwest wind 10 to 14 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke after midnight. Mostly clear, with a low around 55. North northwest wind 5 to 11 mph becoming southwest in the evening.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. South southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 61. East wind 5 to 9 mph becoming calm  after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.

    High: 86 °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 59. North northwest wind around 7 mph becoming southwest in the evening.

    Low: 59 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 86. Northwest wind 10 to 14 mph.
Tonight
Patchy smoke after midnight. Mostly clear, with a low around 55. North northwest wind 5 to 11 mph becoming southwest in the evening.
Thursday
Sunny and hot, with a high near 91. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 60. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 89. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 61. East wind 5 to 9 mph becoming calm after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. North northwest wind around 7 mph becoming southwest in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57. East wind 5 to 7 mph becoming southwest after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Roscoe MT
 45.38°N 109.44°W (Elev. 4800 ft)
4:22 am MDT Aug 19, 2026
11am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database