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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

Fair

68°F

20°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.83 in (1008.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Aug 4:53 am CDT
Extended Forecast for

9 Miles ESE Pierre Regional Airport SD

  • Today

    Today: A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny and hot, with a high near 91. East wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 91 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 69. East northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 92. East southeast wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. North northeast wind 6 to 11 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 91. East northeast wind 6 to 10 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East wind 6 to 11 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. East wind 6 to 10 mph.

    High: 91 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. East southeast wind 7 to 11 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Partly sunny and hot, with a high near 91. East wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 69. East northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 92. East southeast wind 9 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 64. North northeast wind 6 to 11 mph.
Monday
Mostly sunny and hot, with a high near 91. East northeast wind 6 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East wind 6 to 11 mph. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 91. East wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64. East southeast wind 7 to 11 mph.
Wednesday
Sunny and hot, with a high near 93. Southeast wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
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:
9 Miles ESE Pierre Regional Airport SD
 44.34°N 100.14°W (Elev. 1585 ft)
Last Update:
5:46 am CDT Aug 16, 2025
Forecast Valid:
5am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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