I-90 weather conditions near Oacoma, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 37°F 2025-11-17T23:15:00-06:00 
Tonight 2025-11-17, Chance Rain and Patchy Fog. A chance of rain, mainly before 4am. Patchy fog between 3am and 4am. Otherwise, cloudy, with a low around 37. North northeast wind around 7 mph. Chance of precipitation is 40%.
Tuesday 2025-11-18, Cloudy. Cloudy, with a high near 46. North northeast wind around 6 mph becoming southeast in the afternoon.
Tuesday Night 2025-11-18, Mostly Cloudy. Mostly cloudy, with a low around 34. South southeast wind 5 to 7 mph.
Wednesday 2025-11-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 61. Southeast wind 7 to 13 mph becoming west northwest in the afternoon.
Wednesday Night 2025-11-19, Partly Cloudy. Partly cloudy, with a low around 35. West northwest wind around 9 mph.
Thursday 2025-11-20, Sunny. Sunny, with a high near 50. Northwest wind 8 to 13 mph.- Thursday Night 2025-11-20, Partly Cloudy. Partly cloudy, with a low around 28. North wind around 7 mph.
Friday 2025-11-21, Mostly Sunny. Mostly sunny, with a high near 49. East northeast wind 6 to 9 mph becoming south in the afternoon.- Friday Night 2025-11-21, Partly Cloudy. Partly cloudy, with a low around 32. Southeast wind around 8 mph becoming west southwest after midnight.
- Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 53.
- Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 32.
- Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 55.
- Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 33.
- Monday 2025-11-24, Sunny. Sunny, with a high near 50.