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

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

69°F

21°C

Humidity 41%
Wind Speed W 10 G 20 mph
Barometer 29.72 in (1005.4 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 16 Jun 10:56 am CDT
Extended Forecast for

6 Miles ESE Grenville SD

  • Today

    Today: A slight chance of showers after 4pm. Increasing clouds, with a high near 71. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 71 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 55. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 66. Breezy, with a west southwest wind 11 to 16 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 49. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 65. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming southeast after midnight.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. East wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 4pm. Increasing clouds, with a high near 71. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 55. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 66. Breezy, with a west southwest wind 11 to 16 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 49. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Thursday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 65. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 49. Northwest wind 5 to 10 mph becoming light and variable.
Juneteenth
Sunny, with a high near 73. West wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 74. East wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Monday
A slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Grenville SD
 45.42°N 97.28°W (Elev. 1844 ft)
Last Update:
10:36 am CDT Jun 16, 2026
Forecast Valid:
10am CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation