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: NA°F 2025-07-08T21:30:00-00:00 - This Afternoon 2025-07-08, Hot. Sunny and hot, with a high near 92. East southeast wind around 6 mph.
Tonight 2025-07-08, Mostly Clear then Slight Chance T-storms. A slight chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 67. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday 2025-07-09, Slight Chance T-storms then Sunny. A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am. Partly sunny, then gradually becoming sunny and hot, with a high near 96. Heat index values as high as 101. Southeast wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night 2025-07-09, Chance T-storms. A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 68. Southeast wind 10 to 16 mph. Chance of precipitation is 30%.- Thursday 2025-07-10, Hot. Partly sunny and hot, with a high near 94. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night 2025-07-10, T-storms Likely. Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely, mainly between 10pm and 1am. Mostly cloudy, with a low around 66. Southeast wind 9 to 14 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday 2025-07-11, Slight Chance T-storms and Breezy. A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Breezy, with a north northwest wind 13 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday Night 2025-07-11, Mostly Clear. Mostly clear, with a low around 59. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Saturday 2025-07-12, Sunny. Sunny, with a high near 88. West wind 7 to 14 mph, with gusts as high as 22 mph.- Saturday Night 2025-07-12, Mostly Clear. Mostly clear, with a low around 63.
- Sunday 2025-07-13, Hot. Sunny and hot, with a high near 96.
- Sunday Night 2025-07-13, Mostly Clear. Mostly clear, with a low around 66.
- Monday 2025-07-14, Hot. Mostly sunny and hot, with a high near 97.