National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

A Few Clouds

80°F

27°C

Humidity 20%
Wind Speed W 16 G 30 mph
Barometer 29.72 in (999.4 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Jun 4:53 pm MDT
Extended Forecast for

Hot Springs SD

Wind Advisory June 17, 09:00am until June 17, 08:00pm
Red Flag Warning June 16, 05:43pm until June 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
...
  •  
    Red Flag Warning June 16, 05:43pm until June 16, 08:00pm

    NOW until 8:00pm Tue

    Red Flag Warning

  • Tonight

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 78. Windy, with a northwest wind 14 to 19 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 46 mph.

    High: 78 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. Breezy, with a northwest wind 15 to 20 mph becoming light. Winds could gust as high as 30 mph.

    Low: 53 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 77. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. Light northeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Breezy.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers between midnight and 3am. Partly cloudy, with a low around 61. Northwest wind 5 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 78. Windy, with a northwest wind 14 to 19 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 46 mph.
Wednesday Night
Partly cloudy, with a low around 53. Breezy, with a northwest wind 15 to 20 mph becoming light. Winds could gust as high as 30 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 77. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 52. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 84. Light northeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Breezy.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Breezy.
Sunday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hot Springs SD
 43.44°N 103.48°W (Elev. 3599 ft)
Last Update:
5:27 pm MDT Jun 16, 2026
Forecast Valid:
5pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation