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.

62°F

17°C

Humidity 32%
Wind Speed N 14 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 12 May 8:56 pm CDT
Extended Forecast for

New Effington SD

  • Tonight

    Tonight: Mostly clear, with a low around 41. North northwest wind 5 to 15 mph becoming west after midnight.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy blowing dust after 4am. Increasing clouds, with a low around 48. Breezy, with a southeast wind 9 to 14 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 34 mph.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Blowing Dust
    and Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Patchy blowing dust before 4pm. Partly sunny, with a high near 81. Windy, with a south southeast wind 25 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 48. Southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 39 mph.

    High: 78 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Breezy, with a west northwest wind 21 to 26 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Northwest wind 9 to 11 mph becoming east in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. East wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 41. North northwest wind 5 to 15 mph becoming west after midnight.
Wednesday
Sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Patchy blowing dust after 4am. Increasing clouds, with a low around 48. Breezy, with a southeast wind 9 to 14 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 34 mph.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Patchy blowing dust before 4pm. Partly sunny, with a high near 81. Windy, with a south southeast wind 25 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 48. Southwest wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.
Friday
Sunny, with a high near 78. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the morning. Winds could gust as high as 39 mph.
Friday Night
Mostly clear, with a low around 44. Breezy, with a west northwest wind 21 to 26 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 37 mph.
Saturday
Mostly sunny, with a high near 74. Northwest wind 9 to 11 mph becoming east in the afternoon.
Saturday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. East wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Breezy. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 40%.
Monday
A slight chance of showers. Mostly cloudy, with a high near 66. Breezy. Chance of precipitation is 20%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Effington SD
 45.87°N 96.92°W (Elev. 1102 ft)
Last Update:
8:36 pm CDT May 12, 2026
Forecast Valid:
9pm CDT May 12, 2026-6pm CDT May 19, 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