Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

50°F

10°C

Humidity 94%
Wind Speed E 6 mph
Barometer 29.77 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Oct 1:55 am CDT
Extended Forecast for

Oacoma SD

  • Overnight

    Overnight: Cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Cloudy

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 64. Northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. North northwest wind 8 to 16 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. North wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. North wind 5 to 9 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Light north wind becoming northeast 5 to 9 mph in the morning.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 43. East northeast wind 3 to 7 mph.  Chance of precipitation is 70%.

    Low: 43 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 1pm.  Partly sunny, with a high near 63. Breezy, with a northwest wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph.

    Low: 38 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
Cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 21 mph.
Columbus Day
Mostly cloudy, with a high near 64. Northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 43. North northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 58. North wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 40. North wind 5 to 9 mph.
Wednesday
Sunny, with a high near 62. Light north wind becoming northeast 5 to 9 mph in the morning.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 43. East northeast wind 3 to 7 mph. Chance of precipitation is 70%.
Thursday
A chance of showers before 1pm. Partly sunny, with a high near 63. Breezy, with a northwest wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 38. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 37 mph.
Friday
Sunny, with a high near 57.
Friday Night
Areas of frost. Otherwise, clear, with a low around 37.
Saturday
Areas of frost. Otherwise, sunny, with a high near 70. Breezy.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
1:26 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database