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

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Fair

75°F

24°C

Humidity 44%
Wind Speed SE 5 mph
Barometer 29.43 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 9:35 pm CDT
Extended Forecast for

Antelope SD

Wind Advisory June 17, 10:00am until June 17, 09:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. West wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 77. Windy, with a northwest wind 17 to 22 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 77 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Breezy, with a north wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 76. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 76 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 50 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Southwest wind 9 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. West wind 5 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 77. Windy, with a northwest wind 17 to 22 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Partly cloudy, with a low around 50. Breezy, with a north wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 76. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 50. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 83. Southwest wind 9 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Breezy.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 70.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Monday
A slight chance of showers. Mostly cloudy, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
A chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Antelope SD
 43.31°N 100.65°W (Elev. 2585 ft)
Last Update:
9:32 pm CDT Jun 16, 2026
Forecast Valid:
9pm CDT Jun 16, 2026-6pm CDT 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