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

79°F

26°C

Humidity 54%
Wind Speed S 18 mph
Barometer 29.93 in (1012.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Aug 10:53 am CDT
Extended Forecast for

Fort Pierre SD

  • Today

    Today: Partly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 95 °F

    Hot and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 67. East southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 92. North northwest wind 5 to 7 mph.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 67. East northeast wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 92. North northwest wind 7 to 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Southeast wind 8 to 10 mph becoming northwest after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Northwest wind around 9 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. East southeast wind 5 to 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Partly sunny and hot, with a high near 95. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 67. East southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny and hot, with a high near 92. North northwest wind 5 to 7 mph.
Saturday Night
A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 67. East northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 92. North northwest wind 7 to 9 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 64. Southeast wind 8 to 10 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 87. Northwest wind around 9 mph.
Monday Night
Partly cloudy, with a low around 62. East southeast wind 5 to 7 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 87. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Wednesday
Mostly sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Pierre SD
 44.37°N 100.38°W (Elev. 1444 ft)
Last Update:
11:06 am CDT Aug 28, 2026
Forecast Valid:
11am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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