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

Pierre, Pierre Regional Airport (KPIR)

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

Fair

56°F

13°C

Humidity 87%
Wind Speed Calm
Barometer 30.05 in (1017.0 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 7:53 am CDT
Extended Forecast for

Fort Pierre SD

  • Today

    Today: Mostly cloudy, with a high near 78. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 55. Southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Showers
    Likely then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 64 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny and hot, with a high near 91. Breezy, with a south southeast wind 21 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 91 °F

    Breezy.
    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a southeast wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 93. Southeast wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64. East southeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 90. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 90 °F

    Hot

Detailed Forecast

Today
Mostly cloudy, with a high near 78. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 55. Southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 84. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 64. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 31 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 4pm. Partly sunny and hot, with a high near 91. Breezy, with a south southeast wind 21 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a southeast wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny and hot, with a high near 93. Southeast wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64. East southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 90. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Pierre SD
 44.37°N 100.38°W (Elev. 1444 ft)
Last Update:
7:36 am CDT Jun 25, 2026
Forecast Valid:
8am CDT Jun 25, 2026-6pm CDT Jul 1, 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