National Weather Service Forecast for: Sisseton SD
Issued by: National Weather Service Aberdeen, SD
Updated: 4:37 pm CDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A chance of showers and thunderstorms. Patchy smoke. Mostly sunny, with a steady temperature around 87. Light east wind. Chance of precipitation is 30%.
Chance
Showers

 Tonight

Tonight: A chance of showers and thunderstorms, mainly before 8pm. Patchy smoke. Partly cloudy, with a low around 68. East wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.
Chance
Showers then
Patchy Smoke
 Wednesday

Wednesday: Patchy smoke. Mostly sunny and hot, with a high near 92. Southwest wind 5 to 9 mph.
Patchy Smoke

 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms after 1am. Patchy smoke before 1am. Partly cloudy, with a low around 71. East southeast wind 8 to 10 mph becoming south after midnight. Chance of precipitation is 20%.
Patchy Smoke
then Slight
Chance
T-storms
 Thursday

Thursday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 85. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Chance
Showers then
Showers
 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 65. Southeast wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Friday

Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 82. North northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Chance
Showers

 Friday
Night
Friday Night: A slight chance of showers before 1am. Mostly clear, with a low around 61. North wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Slight Chance
Showers

 Saturday

Saturday: Sunny, with a high near 81. Light and variable wind becoming northeast around 6 mph in the afternoon.
Sunny
Hi 87 °F Lo 68 °F Hi 92 °F Lo 71 °F Hi 85 °F Lo 65 °F Hi 82 °F Lo 61 °F Hi 81 °F

 

This Afternoon
 
 A chance of showers and thunderstorms. Patchy smoke. Mostly sunny, with a steady temperature around 87. Light east wind. Chance of precipitation is 30%.
Tonight
 
 A chance of showers and thunderstorms, mainly before 8pm. Patchy smoke. Partly cloudy, with a low around 68. East wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.
Wednesday
 
 Patchy smoke. Mostly sunny and hot, with a high near 92. Southwest wind 5 to 9 mph.
Wednesday Night
 
 A slight chance of showers and thunderstorms after 1am. Patchy smoke before 1am. Partly cloudy, with a low around 71. East southeast wind 8 to 10 mph becoming south after midnight. Chance of precipitation is 20%.
Thursday
 
 A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 85. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm before 4am, then showers likely. Low around 65. Southeast wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
 
 A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 82. North northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday Night
 
 A slight chance of showers before 1am. Mostly clear, with a low around 61. North wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Saturday
 
 Sunny, with a high near 81. Light and variable wind becoming northeast around 6 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 64.
Sunday
 
 Sunny, with a high near 84. Breezy.
Sunday Night
 
 Mostly clear, with a low around 67. Breezy.
Monday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy. Chance of precipitation is 20%.
Monday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Tuesday
 
 A slight chance of showers. Mostly sunny, with a high near 77. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Sisseton SD.