Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

NA

68°F

20°C

Humidity 60%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 17 Aug 09:46 PM MDT
Extended Forecast for

Cascade MTSimilar City Names

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Patchy smoke. Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Patchy smoke. Increasing clouds, with a high near 84. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Patchy smoke. Partly cloudy, with a low around 54. Southwest wind 5 to 7 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny, with a high near 87. Southwest wind 6 to 9 mph.

    High: 87 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northeast wind 5 to 9 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Patchy smoke. Partly cloudy, with a low around 53. Light and variable wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy smoke. Increasing clouds, with a high near 84. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Patchy smoke. Partly cloudy, with a low around 54. Southwest wind 5 to 7 mph.
Wednesday
Patchy smoke before 7am. Sunny, with a high near 87. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 55. West wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 86. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 55. Northeast wind 5 to 9 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 59.
Saturday
A chance of showers after noon. Partly sunny, with a high near 89.
Saturday Night
A chance of showers. Partly cloudy, with a low around 56.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade MTSimilar City Names
 47.27°N 111.7°W (Elev. 3412 ft)
12:32 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

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