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: Fair NA°F 2025-08-13T12:55:00-05:00 
This Afternoon 2025-08-13, Slight Chance T-storms and Breezy. A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Breezy, with a south southeast wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tonight 2025-08-13, T-storms Likely and Breezy. Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 67. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-08-14, Hot. Sunny and hot, with a high near 97. Heat index values as high as 100. South wind around 15 mph, with gusts as high as 23 mph.
Thursday Night 2025-08-14, Partly Cloudy. Partly cloudy, with a low around 71. South southeast wind 7 to 13 mph.- Friday 2025-08-15, Hot. Mostly sunny and hot, with a high near 94. East southeast wind 7 to 14 mph.
Friday Night 2025-08-15, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. East northeast 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 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night 2025-08-16, Chance T-storms. A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. East northeast wind 10 to 16 mph. Chance of precipitation is 30%.- Sunday 2025-08-17, Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. East wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
- Sunday Night 2025-08-17, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
- Monday 2025-08-18, Mostly Sunny. Mostly sunny, with a high near 89.
- Monday Night 2025-08-18, Partly Cloudy. Partly cloudy, with a low around 66.
- Tuesday 2025-08-19, Mostly Sunny. Mostly sunny, with a high near 89.