Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in (1016.6 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 3 Aug 2:56 am CDT
Extended Forecast for

New Effington SD

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Areas of smoke. Mostly cloudy, with a low around 60. South southeast wind around 7 mph.  Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am.  Patchy smoke before 10am. Cloudy, with a high near 71. South southeast wind 10 to 13 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly between 10pm and 2am.  Mostly cloudy, with a low around 61. South southeast wind around 9 mph.  Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 77. South southeast wind 8 to 10 mph.  Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. South southeast wind around 10 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 7am.  Partly sunny, with a high near 80. South southeast wind 10 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. South southeast wind 14 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 85. South wind 10 to 13 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. South southeast wind 6 to 9 mph.  Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Areas of smoke. Mostly cloudy, with a low around 60. South southeast wind around 7 mph. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Patchy smoke before 10am. Cloudy, with a high near 71. South southeast wind 10 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, mainly between 10pm and 2am. Mostly cloudy, with a low around 61. South southeast wind around 9 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 77. South southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 80. South southeast wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. South wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. South southeast wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
New Effington SD
 45.85°N 96.92°W (Elev. 1099 ft)
2:46 am CDT Aug 3, 2025
3am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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