National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

31°F

-1°C

Humidity 61%
Wind Speed S 12 mph
Barometer 30.20 in (1025.7 mb)
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 11 Jan 10:56 am CST
Extended Forecast for

Ortley SD

  • Today

    Today: Sunny, with a high near 35. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West wind 13 to 17 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 38 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 16 to 20 mph, with gusts as high as 34 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. North wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow. Partly sunny, with a high near 37. Breezy, with a south southwest wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 35. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 25. West northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 35. West wind 13 to 17 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 42. Breezy, with a west northwest wind 17 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 15. Blustery, with a north northwest wind 16 to 20 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 28. North wind 7 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.
Thursday
A chance of snow. Partly sunny, with a high near 37. Breezy, with a south southwest wind 14 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 27. Blustery. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 3. Blustery.
Saturday
Partly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ortley SD
 45.33°N 97.21°W (Elev. 1847 ft)
Last Update:
11:26 am CST Jan 11, 2026
Forecast Valid:
11am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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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