National Weather Service Forecast for: Sisseton SD
Issued by: National Weather Service Aberdeen, SD
Updated: 4:36 am CDT Jun 22, 2026
 
Today

Today: Mostly sunny, with a high near 76. Calm wind becoming east southeast around 6 mph in the afternoon.
Mostly Sunny

 Tonight

Tonight: A chance of showers after 4am. Mostly cloudy, with a low around 57. South southeast wind around 7 mph. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
 Tuesday

Tuesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 9am, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 77. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. West northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Slight Chance
T-storms then
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 73. Northwest wind 15 to 17 mph, with gusts as high as 25 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 52. North northwest wind 7 to 15 mph.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 75. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming light and variable.
Partly Cloudy

 Friday

Friday: A chance of showers. Partly sunny, with a high near 75. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Chance
Showers
Hi 76 °F Lo 57 °F Hi 77 °F Lo 55 °F Hi 73 °F Lo 52 °F Hi 75 °F Lo 54 °F Hi 75 °F

Hazardous Weather Outlook
 

Today
 
 Mostly sunny, with a high near 76. Calm wind becoming east southeast around 6 mph in the afternoon.
Tonight
 
 A chance of showers after 4am. Mostly cloudy, with a low around 57. South southeast wind around 7 mph. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 9am, then a chance of showers and thunderstorms after 9am. Partly sunny, with a high near 77. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 55. West northwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Wednesday
 
 Mostly sunny, with a high near 73. Northwest wind 15 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
 
 Partly cloudy, with a low around 52. North northwest wind 7 to 15 mph.
Thursday
 
 Mostly sunny, with a high near 75. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 54. East northeast wind 5 to 7 mph becoming light and variable.
Friday
 
 A chance of showers. Partly sunny, with a high near 75. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy. Chance of precipitation is 40%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy. Chance of precipitation is 70%.
Sunday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Breezy. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Sisseton SD.