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: Mostly Cloudy 31°F 2025-11-16T01:15:00-06:00 
Overnight 2025-11-16, Mostly Clear. Mostly clear, with a low around 34. Calm wind becoming east southeast around 5 mph.
Sunday 2025-11-16, Mostly Sunny. Mostly sunny, with a high near 54. Southeast wind 5 to 13 mph.
Sunday Night 2025-11-16, Partly Cloudy. Partly cloudy, with a low around 39. East southeast wind 11 to 14 mph.Monday 2025-11-17, Mostly Cloudy then Chance Rain. A chance of rain after noon. Mostly cloudy, with a high near 51. East southeast wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday Night 2025-11-17, Chance Rain then Cloudy. A chance of rain before midnight. Cloudy, with a low around 36. East wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday 2025-11-18, Mostly Cloudy. Mostly cloudy, with a high near 48. North northeast wind 7 to 9 mph.- Tuesday Night 2025-11-18, Mostly Cloudy. Mostly cloudy, with a low around 35. East wind 5 to 7 mph becoming south southeast after midnight.
- Wednesday 2025-11-19, Partly Sunny. Partly sunny, with a high near 57. South southeast wind 5 to 10 mph.
Wednesday Night 2025-11-19, Slight Chance Rain. A slight chance of rain. Mostly cloudy, with a low around 37. East southeast wind 7 to 9 mph becoming west northwest after midnight. Chance of precipitation is 20%.- Thursday 2025-11-20, Mostly Sunny. Mostly sunny, with a high near 53.
- Thursday Night 2025-11-20, Mostly Cloudy. Mostly cloudy, with a low around 29.
- Friday 2025-11-21, Mostly Sunny. Mostly sunny, with a high near 46.
- Friday Night 2025-11-21, Partly Cloudy. Partly cloudy, with a low around 27.
- Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 53.