The 10-day span for Sioux City runs from a high near 66° on Monday down to 43° overnight on Tuesday. Roughly 1.8 in of rain falls over the period, with Tuesday the most likely wet day (91%). Expect a blustery spell — gusts near 65 mph on Monday. The NWS alert board for this area is currently clear. Right now Sioux City is about 14° cooler than nearby Sioux Falls. Longer view: continental plains — big swings and a spring severe-storm season.
Sioux City, IA · Elev 1,201 ft · 42.50°N, 96.40°W · Iowa · Forecast computed for these exact coordinates