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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Hazardous Weather Conditions

Current Conditions

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Sioux Falls SD

7 Day Forecast

For More Weather Information:

Sioux Falls, SD Local Forecast Office

Overnight

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 66 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 78 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 65 °F

Sunday

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 79 °F

Sunday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 59 °F

Labor
Day

Mostly Sunny

Mostly
Sunny

High: 76 °F

Monday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 55 °F

Detailed Forecast

  • Overnight A chance of showers and thunderstorms. Cloudy, with a low around 66. South southeast wind around 5 mph. Chance of precipitation is 30%.
  • Friday A chance of showers and thunderstorms, mainly between 10am and 4pm. Mostly cloudy, with a high near 78. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
  • Friday Night Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming east southeast in the evening.
  • Saturday Mostly sunny, with a high near 80. North northeast wind around 5 mph becoming south in the afternoon.
  • Saturday Night A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. South southeast wind around 10 mph. Chance of precipitation is 20%.
  • Sunday Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
  • Sunday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
  • Labor Day Mostly sunny, with a high near 76.
  • Monday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 78.
  • Tuesday Night Mostly clear, with a low around 58.
  • Wednesday Sunny, with a high near 81.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
  • Thursday Sunny, with a high near 83.