National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

58°F

14°C

Humidity 81%
Wind Speed NW 7 mph
Barometer 30.08 in (1017.4 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 26 Aug 11:56 pm CDT
Extended Forecast for

New Effington SD

  • Overnight

    Overnight: Mostly clear, with a low around 52. Northwest wind 5 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. North wind 3 to 7 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. South southeast wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. Southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 60 °F

    Heavy Rain

  • Saturday

    Saturday: Partly sunny, with a high near 83. Southeast wind 8 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 1pm. Mostly sunny, with a high near 83. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. Northwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 79. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 49. Light and variable wind becoming east northeast around 5 mph after midnight.
Friday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. South southeast wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
Showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. Southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Partly sunny, with a high near 83. Southeast wind 8 to 10 mph.
Saturday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers before 1pm. Mostly sunny, with a high near 83. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. Northwest wind around 8 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers before 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Effington SD
 45.85°N 96.92°W (Elev. 1099 ft)
Last Update:
12:06 am CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation