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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

62°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.02 in (1013.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Aug 1:52 am MDT
Extended Forecast for

4 Miles SE Manderson-White Horse Creek SD

  • Overnight

    Overnight: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Northeast 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 94. South wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 94 °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 97. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 93. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 61. Northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 94. 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 97. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 97. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 82.
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 79.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Manderson-White Horse Creek SD
 43.18°N 102.42°W (Elev. 3199 ft)
Last Update:
1:49 am MDT Aug 18, 2025
Forecast Valid:
1am MDT Aug 18, 2025-6pm MDT Aug 24, 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