Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Thunderstorm in Vicinity

71°F

22°C

Humidity 61%
Wind Speed W 7 mph
Barometer 30.19 in (1016.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Jul 12:53 pm MDT
Extended Forecast for

4 Miles WSW Mount Rushmore SD

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms. Some storms could be severe, with heavy rain.  Partly sunny, with a high near 71. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Severe
    Thunderstorms

    High: 71 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm. Some storms could be severe, with heavy rain.  Mostly cloudy, with a low around 55. Northeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 40%.

    Severe
    Thunderstorms
    then Mostly
    Cloudy

    Low: 55 °F

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 70. Southwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    Partly Sunny
    then Chance
    T-storms

    High: 70 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Chance
    T-storms then
    Partly Cloudy

    Low: 58 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 77. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Sunny then
    Chance
    T-storms

    High: 77 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 59. Southeast wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Mostly Clear

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 61.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 61 °F

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Sunny, with a high near 79.

    Sunny then
    Slight Chance
    T-storms

    High: 79 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Some storms could be severe, with heavy rain. Partly sunny, with a high near 71. Southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 10pm. Some storms could be severe, with heavy rain. Mostly cloudy, with a low around 55. Northeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Southwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southeast wind 8 to 11 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 77. South wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 59. Southeast wind 7 to 16 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 85.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 79.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
4 Miles WSW Mount Rushmore SD
 43.87°N 103.52°W (Elev. 6148 ft)
1:12 pm MDT Jul 6, 2022
1pm MDT Jul 6, 2022-6pm MDT Jul 12, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database