Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

58°F

14°C

Humidity 93%
Wind Speed NE 8 mph
Barometer 30.21 in (1016.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 7 Jul 5:53 am MDT
Extended Forecast for

4 Miles WNW Custer State Park SD

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 86. Northeast wind around 6 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 86 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe.  Cloudy, then gradually becoming partly cloudy, with a low around 60. Northwest wind around 6 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 60 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and thunderstorms likely after noon.  Partly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers.  Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 78. Light and variable wind becoming south around 5 mph in the afternoon. Winds could gust as high as 16 mph.  Chance of precipitation is 80%.

    High: 78 °F

    Slight Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57. North wind around 5 mph becoming south in the evening. Winds could gust as high as 15 mph.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 86. Northeast wind around 6 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 60. Northwest wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Thursday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 78. Light and variable wind becoming south around 5 mph in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. North wind around 5 mph becoming south in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Custer State Park SD
 43.74°N 103.48°W (Elev. 5600 ft)
6:33 am MDT Jul 7, 2026
6am MDT Jul 7, 2026-6pm MDT Jul 13, 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