National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Pine Ridge, Pine Ridge Airport (KIEN)

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

Fair

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 29.96 in (1010.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 7:52 am MDT
Extended Forecast for

2 Miles S Porcupine SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

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

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. South wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind around 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 91. Light and variable wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 64. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 92. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 63. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 91. South wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 63. East wind around 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 96.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Porcupine SD
 43.25°N 102.34°W (Elev. 3199 ft)
Last Update:
8:30 am MDT Aug 16, 2025
Forecast Valid:
8am MDT Aug 16, 2025-6pm MDT 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