Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

67°F

19°C

Humidity 36%
Wind Speed NE 7 mph
Barometer 30.05 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 18 Oct 1:55 pm CDT
Extended Forecast for

2 Miles WNW Oacoma SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. North northeast wind 10 to 14 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. North northeast wind 8 to 11 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 64. East wind 7 to 11 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southeast wind 6 to 8 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. South southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Light and variable wind becoming north 5 to 8 mph in the afternoon.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northeast wind around 6 mph becoming calm  after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Light east southeast wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 25 mph.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. North northeast wind 10 to 14 mph.
Tonight
Increasing clouds, with a low around 43. North northeast wind 8 to 11 mph.
Monday
Sunny, with a high near 64. East wind 7 to 11 mph.
Monday Night
Mostly clear, with a low around 45. Southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 70. South southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 71. Light and variable wind becoming north 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 74. Light east southeast wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 20%.
Friday
A slight chance of showers. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Oacoma SD
 43.82°N 99.42°W (Elev. 1385 ft)
1:21 pm CDT Oct 18, 2026
2pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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