Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

61°F

16°C

Humidity 81%
Wind Speed N 5 mph
Barometer 30.13 in (1012.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 Aug 12:53 am MDT
Extended Forecast for

8 Miles WNW Custer SD

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a low around 57. Calm wind becoming northwest around 5 mph.

    Low: 57 °F

    Areas Smoke

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Areas of smoke. Mostly sunny, with a high near 84. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 84 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Areas of smoke. Partly cloudy, with a low around 59. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Areas Smoke

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Areas of smoke. Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. North wind 5 to 7 mph becoming northeast in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 74. North wind 6 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 74 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely.  Cloudy, with a high near 61.

    High: 61 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 47.

    Low: 47 °F

    Showers

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a low around 57. Calm wind becoming northwest around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 84. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Areas of smoke. Partly cloudy, with a low around 59. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 57. North wind 5 to 7 mph becoming northeast in the evening. Winds could gust as high as 20 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 74. North wind 6 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely. Cloudy, with a high near 61.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 47.
Friday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 65.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 47.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 67.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 48.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Custer SD
 43.81°N 103.76°W (Elev. 6575 ft)
1:21 am MDT Aug 10, 2026
1am MDT Aug 10, 2026-6pm MDT Aug 16, 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