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.

62°F

17°C

Humidity 90%
Wind Speed NW 6 mph
Barometer 30.28 in (1024.2 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 30 Jul 9:56 pm CDT
Extended Forecast for

Grenville SD

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 57. Northeast wind around 8 mph.

    Low: 57 °F

    Areas Smoke

  • Thursday

    Thursday: Areas of smoke. Mostly sunny, with a high near 72. East wind around 7 mph.

    High: 72 °F

    Areas Smoke

  • Thursday Night

    Thursday Night: Areas of smoke. Partly cloudy, with a low around 57. Southeast wind around 7 mph.

    Low: 57 °F

    Areas Smoke

  • Friday

    Friday: Partly sunny, with a high near 71. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. South southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. South southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 57. Northeast wind around 8 mph.
Thursday
Areas of smoke. Mostly sunny, with a high near 72. East wind around 7 mph.
Thursday Night
Areas of smoke. Partly cloudy, with a low around 57. Southeast wind around 7 mph.
Friday
Partly sunny, with a high near 71. South southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 57. South southeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71. South southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 60. South southeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grenville SD
 45.46°N 97.4°W (Elev. 1821 ft)
Last Update:
9:46 pm CDT Jul 30, 2025
Forecast Valid:
10pm CDT Jul 30, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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