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

69°F

21°C

Humidity 63%
Wind Speed E 7 mph
Barometer 30.20 in (1015.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 7 Jul 8:53 am MDT
Extended Forecast for

11 Miles WNW Custer 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 81. Southeast wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 81 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe.  Mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 55 °F

    Severe
    Thunderstorms
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Partly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 74 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 52. East wind around 5 mph becoming light and variable  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 73. Light and variable wind becoming south around 6 mph in the morning. Winds could gust as high as 16 mph.  Chance of precipitation is 80%.

    High: 73 °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 52. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 16 mph.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °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 81. Southeast wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tonight
Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly after noon. Partly sunny, with a high near 74. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52. East wind around 5 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Light and variable wind becoming south around 6 mph in the morning. 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 52. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Custer SD
 43.83°N 103.79°W (Elev. 6480 ft)
8:33 am MDT Jul 7, 2026
9am 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