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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles S Parmelee SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 9pm and 11pm. Partly cloudy, with a low around 65. North wind 5 to 10 mph becoming southwest after midnight.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. West wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East wind 10 to 15 mph becoming south after midnight.

    Low: 63 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 91. South wind 5 to 15 mph becoming east in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. East wind around 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 97. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    High: 97 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly between 9pm and 11pm. Partly cloudy, with a low around 65. North wind 5 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 91. West wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. East wind 10 to 15 mph becoming south after midnight.
Tuesday
Sunny, with a high near 91. South wind 5 to 15 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 65. East wind around 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 93. Breezy, with a south wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 67. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 97. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 62.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Parmelee SD
 43.27°N 101.06°W (Elev. 2795 ft)
Last Update:
4:30 pm CDT Aug 17, 2025
Forecast Valid:
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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