Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Pine Ridge, Pine Ridge Airport (KIEN)

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

Overcast

63°F

17°C

Humidity 93%
Wind Speed NA
Barometer 30.04 in (1014.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Aug 9:52 am MDT
Extended Forecast for

Allen SD

  • Today

    Today: A chance of showers, with thunderstorms also possible after 3pm.  Areas of fog.  Otherwise, cloudy, with a high near 68. East wind 11 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers and
    Areas Fog

  • Tonight

    Tonight: A 30 percent chance of showers.  Patchy fog.  Otherwise, cloudy, with a low around 61. East wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 82. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.

    High: 82 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. East wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before noon.  Mostly cloudy, with a high near 76. North wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 56. North wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after noon.  Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 3pm. Areas of fog. Otherwise, cloudy, with a high near 68. East wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tonight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 61. East wind 7 to 13 mph, with gusts as high as 22 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 82. Southeast wind 7 to 9 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 22 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 76. North wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. North wind 5 to 9 mph becoming east after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 83.
Monday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Allen SD
 43.29°N 101.92°W (Elev. 3301 ft)
9:36 am MDT Aug 13, 2026
9am MDT Aug 13, 2026-6pm MDT Aug 19, 2026
 
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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