Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

Lat: 44.38°NLon: 100.29°WElev: 1742ft.

Partly Cloudy

68°F

20°C

Humidity 81%
Wind Speed E 8 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 8:53 pm CDT
Extended Forecast for

Pierre SD

Severe T-storm Watch until August 17, 11:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until August 17, 11:00pm

    NOW until 11:00pm Mon

    Severe T-storm Watch

  • Tonight

    Low: 61 °F

    Severe
    Thunderstorms

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. Light and variable wind becoming north around 6 mph in the morning.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 1am and 2am.  Mostly cloudy, with a low around 60. North northwest wind around 6 mph becoming southeast after midnight.  Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 82. South wind 5 to 9 mph.  Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. East southeast wind 5 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming south southeast after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Northeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 83. Light and variable wind becoming north around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 60. North northwest wind around 6 mph becoming southeast after midnight. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. South wind 5 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 59. East southeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 89. South wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming south southeast after midnight.
Friday
Sunny, with a high near 87. Northeast wind 5 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 60. East northeast wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Breezy. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
A slight chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Pierre SD
 44.37°N 100.35°W (Elev. 1503 ft)
8:41 pm CDT Aug 17, 2026
9pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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