National Weather Service Forecast for: Sisseton SD
Issued by: National Weather Service Aberdeen, SD
Updated: 1:21 pm CDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 83. Northwest wind around 15 mph, with gusts as high as 23 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 49. Northwest wind around 8 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 74. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Sunny
 Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 47. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Increasing
Clouds
 Thursday

Thursday: Mostly sunny, with a high near 68. West wind 3 to 7 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 49. South wind 3 to 6 mph.
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 75. South wind 6 to 13 mph, with gusts as high as 22 mph.
Mostly Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 56. South southeast wind 10 to 18 mph, with gusts as high as 26 mph.
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 80. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Mostly Sunny
and Breezy
Hi 83 °F Lo 49 °F Hi 74 °F Lo 47 °F Hi 68 °F Lo 49 °F Hi 75 °F Lo 56 °F Hi 80 °F

 

This Afternoon
 
 Sunny, with a high near 83. Northwest wind around 15 mph, with gusts as high as 23 mph.
Tonight
 
 Mostly clear, with a low around 49. Northwest wind around 8 mph.
Wednesday
 
 Sunny, with a high near 74. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
 
 Increasing clouds, with a low around 47. Northwest wind 6 to 10 mph, with gusts as high as 22 mph.
Thursday
 
 Mostly sunny, with a high near 68. West wind 3 to 7 mph.
Thursday Night
 
 Partly cloudy, with a low around 49. South wind 3 to 6 mph.
Friday
 
 Mostly sunny, with a high near 75. South wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
 
 Partly cloudy, with a low around 56. South southeast wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday
 
 Mostly sunny, with a high near 80. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 33 mph.
Saturday Night
 
 Mostly clear, with a low around 53.
Sunday
 
 Partly sunny, with a high near 65.
Sunday Night
 
 A slight chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.
Columbus Day
 
 A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Sisseton SD.