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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

93°F

34°C

Humidity 46%
Wind Speed SE 14 mph
Barometer 29.87 in (1009.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 15 Aug 5:53 pm CDT
Extended Forecast for

10 Miles NW Fort Pierre SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 69. East wind 10 to 16 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind 10 to 17 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. North northeast wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 88. Northeast wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny and hot, with a high near 90. East wind 7 to 10 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Southeast wind 8 to 11 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 10pm. Increasing clouds, with a low around 69. East wind 10 to 16 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 88. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind 10 to 17 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. North northeast wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 88. Northeast wind 6 to 8 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 90. East wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 65. Southeast wind 8 to 11 mph.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny and hot, with a high near 95.
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 and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Fort Pierre SD
 44.45°N 100.53°W (Elev. 1621 ft)
Last Update:
6:30 pm CDT Aug 15, 2025
Forecast Valid:
6pm CDT Aug 15, 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