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.

63°F

17°C

Humidity 81%
Wind Speed N 12 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 25 Jun 9:56 am CDT
Extended Forecast for

2 Miles E Grenville SD

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74. North wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. East wind 5 to 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before noon. Partly sunny, with a high near 77. Southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. East southeast wind around 15 mph, with gusts as high as 26 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 82 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Breezy, with a southeast wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 90. Southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Clear then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 89. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74. North wind 5 to 7 mph becoming light and variable in the afternoon.
Tonight
Mostly cloudy, with a low around 57. East wind 5 to 8 mph.
Friday
A slight chance of showers before noon. Partly sunny, with a high near 77. Southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 63. East southeast wind around 15 mph, with gusts as high as 26 mph.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Breezy, with a southeast wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 90. Southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. South wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 89. South southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 64.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Grenville SD
 45.46°N 97.34°W (Elev. 1841 ft)
Last Update:
9:36 am CDT Jun 25, 2026
Forecast Valid:
10am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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