I-90 weather conditions near Sioux Falls, South Dakota
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 83°F 2025-07-04T19:56:00-05:00 Tonight 2025-07-04, T-storms Likely then Showers. Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 69. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday 2025-07-05, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Saturday Night 2025-07-05, Mostly Clear. Mostly clear, with a low around 59. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday 2025-07-06, Mostly Sunny. Mostly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon.
Sunday Night 2025-07-06, Mostly Cloudy. Mostly cloudy, with a low around 62. East wind around 5 mph.Monday 2025-07-07, Partly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. East southeast wind 5 to 10 mph becoming south southwest in the afternoon.
Monday Night 2025-07-07, Partly Cloudy then Chance T-storms. A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Tuesday 2025-07-08, Chance T-storms. A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.- Tuesday Night 2025-07-08, Mostly Cloudy. Mostly cloudy, with a low around 64.
- Wednesday 2025-07-09, Mostly Sunny. Mostly sunny, with a high near 86.
Wednesday Night 2025-07-09, Partly Cloudy. Partly cloudy, with a low around 66.- Thursday 2025-07-10, Partly Sunny. Partly sunny, with a high near 87.
- Thursday Night 2025-07-10, Mostly Cloudy. Mostly cloudy, with a low around 65.
Friday 2025-07-11, Chance Showers then Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.