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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

A Few Clouds

99°F

37°C

Humidity 35%
Wind Speed SE 18 G 26 mph
Barometer 29.82 in (1007.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 29 Jul 5:53 pm CDT
Extended Forecast for

Pierre SD

Heat Advisory July 29, 06:39pm until July 29, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 29, 06:39pm until July 29, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 68 °F

    Patchy Smoke
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. East southeast wind 8 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Patchy smoke after midnight. Low around 63. North northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Patchy smoke before 8am. Sunny, with a high near 87. North wind around 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Patchy Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 64. Southeast wind around 14 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Breezy, with a south wind 13 to 23 mph, with gusts as high as 33 mph.

    High: 97 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 4am. Patchy smoke between 11pm and 1am. Mostly cloudy, with a low around 68. Southeast wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. East southeast wind 8 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 1am. Patchy smoke after midnight. Low around 63. North northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Patchy smoke before 8am. Sunny, with a high near 87. North wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 60. Northeast wind 5 to 9 mph becoming light and variable after midnight.
Saturday
Sunny and hot, with a high near 92. Light south southeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 64. Southeast wind around 14 mph.
Sunday
Sunny and hot, with a high near 97. Breezy, with a south wind 13 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 68. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 33 mph.
Monday
Mostly sunny and hot, with a high near 95. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Breezy. Chance of precipitation is 20%.
Tuesday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pierre SD
 44.37°N 100.35°W (Elev. 1503 ft)
Last Update:
5:36 pm CDT Jul 29, 2026
Forecast Valid:
6pm CDT Jul 29, 2026-6pm CDT Aug 5, 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