Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

68°F

20°C

Humidity 90%
Wind Speed NW 14 G 28 mph
Barometer 29.94 in (1012.0 mb)
Dewpoint 65°F (18°C)
Visibility NA
Last update 15 Jul 12:56 pm CDT
Extended Forecast for

6 Miles ESE Grenville SD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 78. North northeast wind 7 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely.  Areas of smoke between 9pm and 2am. Low around 55. Breezy, with a north northeast wind 17 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 4pm, then a chance of showers.  Cloudy, with a high near 61. North northeast wind around 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 7pm.  Partly cloudy, with a low around 50. North wind 7 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 10%.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. North wind 6 to 8 mph becoming southeast in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southeast wind 8 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 73. South southeast wind 11 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 74. North northeast wind 7 to 9 mph.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 78. North northeast wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then showers likely. Areas of smoke between 9pm and 2am. Low around 55. Breezy, with a north northeast wind 17 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely before 4pm, then a chance of showers. Cloudy, with a high near 61. North northeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers before 7pm. Partly cloudy, with a low around 50. North wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 68. North wind 6 to 8 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. Southeast wind 8 to 10 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. South southeast wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 74. North northeast wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Grenville SD
 45.42°N 97.28°W (Elev. 1844 ft)
12:47 pm CDT Jul 15, 2025
1pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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Additional Resources

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