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.

71°F

22°C

Humidity 31%
Wind Speed NW 16 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 7 Oct 4:56 pm CDT
Extended Forecast for

Ortley SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming light after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 65 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 49. South southeast wind 3 to 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 9 to 16 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 38 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. South southwest wind 15 to 17 mph, with gusts as high as 31 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 66. Southwest wind around 16 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 44. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Northwest wind 5 to 9 mph becoming light after midnight.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 49. South southeast wind 3 to 7 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. South southeast wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 62. South wind 9 to 16 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south southwest wind 17 to 24 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 55. South southwest wind 15 to 17 mph, with gusts as high as 31 mph.
Sunday
Partly sunny, with a high near 66. Southwest wind around 16 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 44. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 51. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 39. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ortley SD
 45.33°N 97.21°W (Elev. 1847 ft)
Last Update:
5:21 pm CDT Oct 7, 2026
Forecast Valid:
5pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation