Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Pierre, Pierre Regional Airport (KPIR)

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

A Few Clouds

89°F

32°C

Humidity 50%
Wind Speed NW 6 mph
Barometer 29.85 in (1009.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Aug 5:53 pm CDT
Extended Forecast for

10 Miles WNW Mission Ridge SD

  • Tonight

    Tonight: Partly cloudy, with a low around 65. North wind 5 to 7 mph becoming east northeast after midnight.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. North northeast wind 5 to 7 mph becoming west in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 65. East wind 5 to 9 mph.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. East southeast wind 5 to 10 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. East southeast wind 8 to 10 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Southeast wind 13 to 18 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. South wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Mostly clear, with a low around 62. North wind 11 to 16 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. North wind 5 to 7 mph becoming east northeast after midnight.
Monday
Mostly sunny, with a high near 89. North northeast wind 5 to 7 mph becoming west in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65. East wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny and hot, with a high near 92. East southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 66. East southeast wind 8 to 10 mph.
Wednesday
Sunny and hot, with a high near 95. Southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 68. Southeast wind 13 to 18 mph.
Thursday
Sunny and hot, with a high near 96. South wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly clear, with a low around 62. North wind 11 to 16 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers before 1pm. Sunny, with a high near 83. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WNW Mission Ridge SD
 44.72°N 101°W (Elev. 1617 ft)
5:46 pm CDT Aug 17, 2025
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database