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

72°F

22°C

Humidity 53%
Wind Speed Vrbl 6 G 17 mph
Barometer 30.18 in (1014.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 7 Jul 10:53 am MDT
Extended Forecast for

13 Miles WNW Custer SD

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 82. South wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe.  Mostly cloudy, with a low around 58. East wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 74. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 74 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55. Southeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 82. South wind around 7 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 58. East wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
A slight chance of showers and thunderstorms before 9am, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 74. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WNW Custer SD
 43.81°N 103.85°W (Elev. 6401 ft)
10:27 am MDT Jul 7, 2026
11am 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