Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

74°F

23°C

Humidity 82%
Wind Speed S 6 mph
Barometer 29.86 in (1009.2 mb)
Dewpoint 68°F (20°C)
Visibility NA
Last update 24 Jul 8:56 pm CDT
Extended Forecast for

Ortley SD

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 11pm.  Partly cloudy, with a steady temperature around 71. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Patchy smoke after 1pm. Mostly sunny and hot, with a high near 95. South southwest wind 6 to 9 mph becoming northwest in the morning.

    High: 95 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 75. South southeast wind 8 to 10 mph becoming west southwest in the evening. Winds could gust as high as 20 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Heat index values as high as 98. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South southeast wind around 8 mph becoming west northwest after midnight.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 92. North wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 69. Northeast wind 3 to 7 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. East wind 5 to 8 mph becoming west in the afternoon.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Northeast wind around 7 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 10pm and 11pm. Partly cloudy, with a steady temperature around 71. South southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Patchy smoke after 1pm. Mostly sunny and hot, with a high near 95. South southwest wind 6 to 9 mph becoming northwest in the morning.
Saturday Night
Increasing clouds, with a low around 75. South southeast wind 8 to 10 mph becoming west southwest in the evening. Winds could gust as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 93. Heat index values as high as 98. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 72. South southeast wind around 8 mph becoming west northwest after midnight.
Monday
Sunny and hot, with a high near 92. North wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny and hot, with a high near 90. East wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Northeast wind around 7 mph.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 67. Chance of precipitation is 20%.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Ortley SD
 45.33°N 97.21°W (Elev. 1847 ft)
9:36 pm CDT Jul 24, 2026
9pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
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Additional Resources

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