Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Partly Cloudy

32°F

0°C

Humidity 66%
Wind Speed W 14 G 22 mph
Barometer 30.16 in (1022.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 19 May 6:53 am MDT
Extended Forecast for

9 Miles SSE Hot Springs SD

Freeze Warning until May 19, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning until May 19, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Today

    High: 62 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 16 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 68. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 71. South wind 5 to 10 mph becoming east 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 50%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then showers likely.  Low around 42. East wind 7 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers.  Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, sunny, with a high near 62. West wind 8 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 16 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 68. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 40. South wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Thursday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 71. South wind 5 to 10 mph becoming east 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Low around 42. East wind 7 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 93.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Hot Springs SD
 43.31°N 103.41°W (Elev. 3199 ft)
3:22 am MDT May 19, 2026
7am MDT May 19, 2026-6pm MDT May 25, 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