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River Sioux, Iowa

Current conditions and the National Weather Service 7-day forecast for River Sioux, Iowa — temperature, rain chance, wind, radar and active alerts.

Saturday Aug 29 night: a low around 74°F. Sunday Aug 30: a high near 93°F and a low around 74°F. Highs over the period run 90°F to 93°F.

National Weather Service forecast for River Sioux, Iowa
DayHighLowPrecip
Saturday Aug 2974°
Sunday Aug 3093°74°
Monday Aug 3192°73°
Tuesday Sep 193°71°
Wednesday Sep 291°71°
Thursday Sep 391°70°
Friday Sep 491°71°
Saturday Sep 590°

NOAA NWS NDFD 2.5 km, run 2026-08-29 23:00 UTC · days are local time in America/Chicago. The live page updates continuously.

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