National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Hazardous Weather Conditions

Current Conditions

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Sisseton SD

7 Day Forecast

For More Weather Information:

Aberdeen, SD Local Forecast Office

Overnight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 59 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 82 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 65 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 74 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 47 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 69 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 48 °F

Saturday

Sunny

Sunny

High: 71 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 50 °F

Detailed Forecast

  • Overnight A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. South southwest wind around 9 mph. Chance of precipitation is 20%.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. South southeast wind 7 to 11 mph. Chance of precipitation is 20%.
  • Wednesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 30%.
  • Thursday A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 74. Northwest wind 10 to 18 mph. Chance of precipitation is 20%.
  • Thursday Night Partly cloudy, with a low around 47. Northwest wind 8 to 15 mph.
  • Friday Mostly sunny, with a high near 69.
  • Friday Night Mostly clear, with a low around 48.
  • Saturday Sunny, with a high near 71.
  • Saturday Night Mostly clear, with a low around 50.
  • Sunday Sunny, with a high near 74.
  • Sunday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 30%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.