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.

79°F

26°C

Humidity 56%
Wind Speed N 10 mph
Barometer 30.06 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility NA
Heat Index80°F (27°C)
Last update 21 Aug 1:56 pm CDT
Extended Forecast for

Claire City SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. North northwest wind around 8 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers before 8pm. Mostly clear, with a low around 55. West northwest wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North wind 6 to 10 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light south southeast wind becoming southeast 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 60. Southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 80. South southeast wind 10 to 13 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. South southeast wind around 9 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. West northwest wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. North northwest wind around 8 mph.
Tonight
A slight chance of showers before 8pm. Mostly clear, with a low around 55. West northwest wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 78. North wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 60. Southeast wind around 10 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 80. South southeast wind 10 to 13 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. South southeast wind around 9 mph becoming southwest after midnight. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83. West northwest wind 9 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Claire City SD
 45.85°N 97.1°W (Elev. 1198 ft)
Last Update:
2:36 pm CDT Aug 21, 2026
Forecast Valid:
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 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