Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

71°F

22°C

Humidity 45%
Wind Speed N 12 mph
Barometer 30.27 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 23 Aug 1:15 pm CDT
Extended Forecast for

Oacoma SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. North northwest wind 11 to 13 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. North northwest wind 6 to 11 mph becoming light north northeast  after midnight.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. North northeast wind 5 to 10 mph becoming east southeast after midnight.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. Light east wind becoming east southeast 5 to 9 mph in the morning.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. East southeast wind 7 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southeast wind 6 to 14 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. South wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. North northwest wind 11 to 13 mph.
Tonight
Mostly clear, with a low around 52. North northwest wind 6 to 11 mph becoming light north northeast after midnight.
Sunday
Sunny, with a high near 76. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 49. North northeast wind 5 to 10 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 76. Light east wind becoming east southeast 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 53. East southeast wind 7 to 10 mph.
Tuesday
Sunny, with a high near 81. Southeast wind 6 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 86. South wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
1:14 pm CDT Aug 23, 2025
1pm CDT Aug 23, 2025-6pm CDT Aug 29, 2025
 
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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