National Weather Service United States Department of Commerce

The flash flooding threat shifts slightly east on Friday while both coasts and Hawaii continue high surf issues due to tropical systems

The potential for heavy rainfall and flash flooding will shift east on Friday across parts of the Upper Midwest into the eastern Great Lakes. Meanwhile, portions of both the East and West Coasts, as well as Hawaii, will continue to have high surf and rip current potential due to Hurricane Cristobal and Tropical Storm Marie respectively. Caution should be used on area beaches.
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Current Conditions

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4 Miles S Marion SD

7 Day Forecast

For More Weather Information:

Sioux Falls, SD Local Forecast Office

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 65 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 79 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 82 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 65 °F

Sunday

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 80 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 59 °F

Labor
Day

Mostly Sunny

Mostly
Sunny

High: 77 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 57 °F

Detailed Forecast

  • Tonight A chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. South southeast wind around 5 mph. Chance of precipitation is 40%.
  • Friday A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 79. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
  • Friday Night Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming south southeast in the evening.
  • Saturday Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming south southeast in the afternoon.
  • Saturday Night A chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 65. South southeast wind 10 to 15 mph. Chance of precipitation is 30%.
  • Sunday Showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
  • Labor Day Mostly sunny, with a high near 77.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 78.
  • Tuesday Night Mostly clear, with a low around 59.
  • Wednesday Sunny, with a high near 81.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
  • Thursday Sunny, with a high near 84.