Oacoma, South Dakota Weather
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Weather Forecast for Oacoma, South Dakota : Lyman County
Issued: 1:30 am CDT Jun 3, 2025 Latitude: 43.7961053 Longitude: -99.3956571 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
30% chance of rain on Overnight Mostly Sunny on Tuesday Increasing Clouds on Wednesday 40% chance of rain on Thursday 20% chance of thunderstorms on Friday 30% chance of rain on Saturday Sunny on Sunday Sunny on Monday
Low: 51°F High: 71°F High: 71°F High: 72°F High: 75°F High: 82°F High: 77°F High: 79°F
Low: 49°F Low: 52°F Low: 54°F Low: 54°F Low: 56°F Low: 53°F  
Rain Mostly Sunny Increasing Clouds Rain Thunderstorms Rain Sunny Sunny
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Current Conditions at
CHAMBERLAIN - (K9V9)
54°
Cloudy
Light Rain
as of 1:15 AM CDST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
12 MPH
350° North
Cloud Level(s): Solid Overcast at 11000ft
Current Conditions at
WINNER WILEY FIELD - (KICR)
54°
Cloudy
Light Rain
as of 12:53 AM CDST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
10 MPH
340° North
Cloud Level(s): Few at 9000ft, Solid Overcast at 11000ft
Current Conditions at
PIERRE - (KPIR)
52°
Mostly Clear
as of 12:53 AM CDST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
6 MPH
340° North
Cloud Level(s): Few at 12000ft
30% chance of rain Overnight Overnight... A chance of showers, mainly before 2am. Cloudy, with a low around 51. North northwest wind around 11 mph. Chance of precipitation is 30%.
Mostly Sunny on Tuesday Tuesday... Cloudy, then gradually becoming mostly sunny, with a high near 71. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 49. North northwest wind 6 to 11 mph becoming light and variable after midnight.
Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 71. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
20% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Mostly cloudy, with a low around 52. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.
40% chance of rain Thursday Thursday... A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 72. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southeast wind 5 to 9 mph becoming light south southeast after midnight. Chance of precipitation is 40%.
20% chance of thunderstorms Friday Friday... A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 75. South southeast wind 5 to 9 mph. Chance of precipitation is 20%.
20% chance of rain Friday Night Friday Night... A slight chance of showers after 1am. Partly cloudy, with a low around 54. Southeast wind 6 to 8 mph. Chance of precipitation is 20%.
30% chance of rain Saturday Saturday... A chance of showers after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunny on Sunday Sunday... Sunny, with a high near 77.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 53.
Sunny on Monday Monday... Sunny, with a high near 79.
Current Radar Image


Sun Almanac for Oacoma, South Dakota
Sunrise: 05:57 AM
Sunset: 9:14 PM
Civil Sunrise:05:22 AM
Civil Sunset: 9:50 PM
Nautical Sunrise: 04:36 AM
Nautical Sunset: 10:36 PM
Astro Sunrise: 03:39 AM
Astro Sunset: 11:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.