Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. 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 46%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 20 Aug 11:30 PM MDT
Extended Forecast for

10 Miles WSW Cascade MT

  • Tonight

    Tonight: Patchy smoke before 4am. Partly cloudy, with a low around 57. North northwest wind around 7 mph.

    Low: 57 °F

    Patchy Smoke

  • Friday

    Friday: Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph becoming northeast in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 3 to 8 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 60. South southwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. South southwest wind 11 to 21 mph, with gusts as high as 31 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. South southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Southwest wind 7 to 9 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 4am. Partly cloudy, with a low around 57. North northwest wind around 7 mph.
Friday
Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph becoming northeast in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. East northeast wind 5 to 9 mph becoming light and variable after midnight.
Saturday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. South southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 79. South southwest wind 11 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 55. South southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 74. Southwest wind 7 to 9 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Cascade MT
 47.21°N 111.88°W (Elev. 5184 ft)
11:01 pm MDT Aug 20, 2026
11pm MDT Aug 20, 2026-6pm MDT Aug 27, 2026
 
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Additional Resources

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