Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Fair

82°F

28°C

Humidity 30%
Wind Speed SE 13 G 20 mph
Barometer 29.99 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Sep 6:30 pm CDT
Extended Forecast for

3 Miles SSW Saint Francis SD

  • Tonight

    Tonight: Mostly clear, with a low around 60. Breezy, with a south wind 17 to 20 mph, with gusts as high as 39 mph.

    Low: 60 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Breezy, with a south wind 16 to 23 mph, with gusts as high as 36 mph.

    High: 83 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Breezy, with a south wind 23 to 26 mph, with gusts as high as 38 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 14 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Breezy, with a south wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 61 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 82. South wind 15 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Breezy, with a south wind 17 to 20 mph, with gusts as high as 39 mph.
Tuesday
Sunny, with a high near 83. Breezy, with a south wind 16 to 23 mph, with gusts as high as 36 mph.
Tuesday Night
Partly cloudy, with a low around 60. Breezy, with a south wind 23 to 26 mph, with gusts as high as 38 mph.
Wednesday
Sunny, with a high near 85. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 14 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 88. Southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 61. Breezy, with a south wind 17 to 20 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 82. South wind 15 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 72.
Saturday Night
A chance of showers. Partly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly sunny, with a high near 67.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint Francis SD
 43.1°N 100.93°W (Elev. 2999 ft)
6:36 pm CDT Sep 29, 2025
6pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
 
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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