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.

65°F

18°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.13 in (1019.2 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 24 Sep 3:56 pm CDT
Extended Forecast for

Ortley SD

  • This Afternoon

    This Afternoon: A chance of drizzle, mainly before 5pm. Mostly cloudy, with a high near 64. South wind around 8 mph.

    High: 64 °F

    Chance
    Drizzle

  • Tonight

    Tonight: A slight chance of drizzle before 2am, then a chance of sprinkles after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 58. South wind 5 to 7 mph.

    Low: 58 °F

    Chance
    Sprinkles and
    Patchy Fog

  • Friday

    Friday: A chance of sprinkles before 1pm, then a chance of sprinkles after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 4am. Low around 57. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 66. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. South southeast wind 3 to 7 mph.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70. East southeast wind 3 to 8 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. East southeast wind 7 to 9 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 1pm. Mostly cloudy, with a high near 69. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
A chance of drizzle, mainly before 5pm. Mostly cloudy, with a high near 64. South wind around 8 mph.
Tonight
A slight chance of drizzle before 2am, then a chance of sprinkles after 4am. Patchy fog after 1am. Otherwise, cloudy, with a low around 58. South wind 5 to 7 mph.
Friday
A chance of sprinkles before 1pm, then a chance of sprinkles after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 65. Southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 4am. Low around 57. Southeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 66. South southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 58. South southeast wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 70. East southeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 58. East southeast wind 7 to 9 mph.
Monday
A chance of showers after 1pm. Mostly cloudy, with a high near 69. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm, then showers after 1am. Low around 57. Chance of precipitation is 80%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 60. 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:
4:21 pm CDT Sep 24, 2026
Forecast Valid:
4pm CDT Sep 24, 2026-6pm CDT Sep 30, 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