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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Fair

91°F

33°C

Humidity 44%
Wind Speed S 14 mph
Barometer 29.78 in (1007.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 28 Aug 5:53 pm CDT
Extended Forecast for

Pierre SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 66. East southeast wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 91. Northwest wind 5 to 8 mph.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 66. East northeast wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing and hot, with a high near 91. Northwest wind 7 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 63. South wind around 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 86. North northwest wind around 10 mph becoming south southeast in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. East wind 6 to 8 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East southeast wind 9 to 13 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 66. East southeast wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny and hot, with a high near 91. Northwest wind 5 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 66. East northeast wind 8 to 11 mph. Chance of precipitation is 20%.
Sunday
Cloudy through mid morning, then gradual clearing and hot, with a high near 91. Northwest wind 7 to 10 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 63. South wind around 10 mph becoming north northwest after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 86. North northwest wind around 10 mph becoming south southeast in the afternoon.
Monday Night
Partly cloudy, with a low around 63. East wind 6 to 8 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. East southeast wind 9 to 13 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pierre SD
 44.37°N 100.32°W (Elev. 1699 ft)
Last Update:
6:20 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 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