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

Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. 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 100%
Wind Speed Calm
Barometer 29.91 in (1013.7 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 5 Mar 3:56 am CST
Extended Forecast for

Ortley SD

Dense Fog Advisory March 5, 04:52am until March 5, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 5, 04:52am until March 5, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 55 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 33. South southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 33 °F

    Slight Chance
    Rain then
    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain and sleet likely before 3pm, then freezing rain likely, possibly mixed with snow. Areas of fog before 10am. Otherwise, mostly cloudy, with a temperature falling to around 31 by 5pm. Breezy, with a north northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.

    High: 42 °F⇓

    Wintry Mix
    Likely and
    Areas Fog

  • Friday Night

    Friday Night: A chance of snow and freezing rain before 9pm, then a chance of snow. Patchy blowing snow between 7pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. Northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Wintry
    Mix and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Sunny, with a high near 40. Northwest wind 10 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 40 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 52 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, partly sunny, with a high near 55. South southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
A chance of rain, mainly after 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 33. South southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Friday
Rain and sleet likely before 3pm, then freezing rain likely, possibly mixed with snow. Areas of fog before 10am. Otherwise, mostly cloudy, with a temperature falling to around 31 by 5pm. Breezy, with a north northwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.
Friday Night
A chance of snow and freezing rain before 9pm, then a chance of snow. Patchy blowing snow between 7pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. Northwest wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 40. Northwest wind 10 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Sunday
Mostly sunny, with a high near 52. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 36. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 50. West wind 13 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A slight chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Tuesday
A chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 30. Chance of precipitation is 20%.
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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:
4:36 am CST Mar 5, 2026
Forecast Valid:
4am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation