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

72°F

22°C

Humidity 50%
Wind Speed S 6 mph
Barometer 29.42 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 9:55 pm CDT
Extended Forecast for

Saint Francis SD

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

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 63. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 76. Windy, with a northwest wind 20 to 25 mph increasing to 31 to 36 mph in the morning. Winds could gust as high as 46 mph.

    High: 76 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Windy, with a northwest wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 45 mph.

    Low: 50 °F

    Mostly Clear
    and Windy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Northwest wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. Southwest wind 10 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.

    Low: 54 °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 78. Breezy.

    High: 78 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 1am and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 63. Southwest wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 76. Windy, with a northwest wind 20 to 25 mph increasing to 31 to 36 mph in the morning. Winds could gust as high as 46 mph.
Wednesday Night
Mostly clear, with a low around 50. Windy, with a northwest wind 25 to 30 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 45 mph.
Thursday
Mostly sunny, with a high near 75. Northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 50. North wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 82. Southwest wind 10 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Breezy.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Breezy.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 69. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Breezy.
Monday
A slight chance of showers. Mostly cloudy, with a high near 73.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Francis SD
 43.15°N 100.9°W (Elev. 2999 ft)
Last Update:
9:32 pm CDT Jun 16, 2026
Forecast Valid:
10pm 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