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.

91°F

33°C

Humidity 19%
Wind Speed Vrbl 5 mph
Barometer 29.81 in (1007.4 mb)
Dewpoint 43°F (6°C)
Visibility NA
Heat Index87°F (31°C)
Last update 25 May 3:56 pm CDT
Extended Forecast for

Ortley SD

  • Memorial Day

    Memorial Day: Sunny and hot, with a high near 90. West wind around 8 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 58. Light and variable wind becoming south southeast 5 to 7 mph in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Southeast wind 6 to 10 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Memorial Day
Sunny and hot, with a high near 90. West wind around 8 mph.
Tonight
Mostly clear, with a low around 58. Light and variable wind becoming south southeast 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 88. South wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 86. Southeast wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 55. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 84. Southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. 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:
Ortley SD
 45.33°N 97.21°W (Elev. 1847 ft)
Last Update:
4:36 pm CDT May 25, 2026
Forecast Valid:
4pm CDT May 25, 2026-6pm CDT May 31, 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