I-90 weather conditions near Oacoma, South Dakota

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 85°F 2025-08-14T19:55:00-05:00
• Tonight 2025-08-14, Partly Cloudy. Partly cloudy, with a low around 70. Southeast wind 6 to 9 mph becoming north northeast after midnight.
• Friday 2025-08-15, Hot. Mostly sunny and hot, with a high near 95. Heat index values as high as 100. East northeast wind 7 to 14 mph, with gusts as high as 22 mph.
• Friday Night 2025-08-15, Chance T-storms. A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. East wind 9 to 14 mph. Chance of precipitation is 30%.
• Saturday 2025-08-16, Hot. Partly sunny and hot, with a high near 92. East wind 7 to 14 mph.
• Saturday Night 2025-08-16, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East northeast wind 10 to 15 mph. Chance of precipitation is 30%.
• Sunday 2025-08-17, Slight Chance T-storms. A slight chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 92. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
• Sunday Night 2025-08-17, Chance T-storms. A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. East northeast wind 7 to 11 mph. Chance of precipitation is 30%.
• Monday 2025-08-18, Hot. Mostly sunny and hot, with a high near 93. East wind 6 to 10 mph.
• Monday Night 2025-08-18, Slight Chance T-storms. A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. East wind 6 to 11 mph. Chance of precipitation is 20%.
• Tuesday 2025-08-19, Hot. Sunny and hot, with a high near 94.
• Tuesday Night 2025-08-19, Mostly Clear. Mostly clear, with a low around 66.
• Wednesday 2025-08-20, Hot. Sunny and hot, with a high near 93.
• Wednesday Night 2025-08-20, Mostly Clear. Mostly clear, with a low around 66.
• Thursday 2025-08-21, Hot. Sunny and hot, with a high near 95.