Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.11 in (1012.9 mb)
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Last update 10 Aug 6:53 am MDT
Extended Forecast for

4 Miles E Custer SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 3pm.  Areas of smoke. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 91 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Areas of smoke. Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Areas Smoke

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Areas of smoke. Mostly sunny, with a high near 88. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 88 °F

    Areas Smoke
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. East wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Cloudy, with a low around 54. East wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 70%.

    Low: 54 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely.  Cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Cloudy, with a low around 52.

    Low: 52 °F

    Showers

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 70.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Areas of smoke. Partly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 88. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 60. East wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Cloudy, with a low around 54. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely. Cloudy, with a high near 65. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 52.
Friday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 70.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 52.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 71.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Custer SD
 43.78°N 103.51°W (Elev. 5217 ft)
6:57 am MDT Aug 10, 2026
7am 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