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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

57°F

14°C

Humidity 52%
Wind Speed N 9 mph
Barometer 29.72 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Nov 11:55 pm CST
Extended Forecast for

Oacoma SD

  • Overnight

    Overnight: Cloudy early, then becoming partly cloudy, with a steady temperature around 49. Light west wind becoming northwest 5 to 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West northwest wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. North northeast wind around 6 mph becoming east southeast after midnight.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. East southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 47. East southeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before midnight. Cloudy, with a low around 32. East wind 7 to 14 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. South southeast wind 7 to 10 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy early, then becoming partly cloudy, with a steady temperature around 49. Light west wind becoming northwest 5 to 9 mph.
Saturday
Mostly sunny, with a high near 59. West northwest wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 32. North northeast wind around 6 mph becoming east southeast after midnight.
Sunday
Partly sunny, with a high near 56. East southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 37. East southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
A chance of rain. Mostly cloudy, with a high near 47. East southeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of rain before midnight. Cloudy, with a low around 32. East wind 7 to 14 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 46. Southeast wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 33. South southeast wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A slight chance of rain. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
A slight chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
11:36 pm CST Nov 14, 2025
Forecast Valid:
12am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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Additional Resources

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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