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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

Pine Ridge, Pine Ridge Airport (KIEN)

Lat: 43.03°NLon: 102.52°WElev: 3330ft.

Fair

89°F

32°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 29.95 in (1010.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 17 Aug 1:52 pm MDT
Extended Forecast for

4 Miles SW Wounded Knee SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. North wind around 5 mph, with gusts as high as 15 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. East wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 91. North wind around 5 mph, with gusts as high as 15 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 10pm. Partly cloudy, with a low around 62. North wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 92. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 61. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 93. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 64. East wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 96. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 67. South wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 96.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Wounded Knee SD
 43.09°N 102.41°W (Elev. 3399 ft)
Last Update:
12:29 pm MDT Aug 17, 2025
Forecast Valid:
2pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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