Weather in Sioux City, IA
Updated 2026-09-26 08:00 local time · ZIP codes 51101, 51103, 51104, 51105 + more
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
58°33% rain59°33% rain60°30% rain60°31% rain
62°35% rain64°30% rain64°31% rain65°34% rain
64°65% rain65°75% rain65°40% rain65°33% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 75% over the next 12 hours.
It feels like 53°F with winds near 14 mph.
64°F, 31% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 29 mph.
Current temperature is 58°F, wind 14 mph, rain chance up to 75%.
UV index is 0.
Local weather characteristics in Sioux City
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Sioux City is part of the Midwest weather region. The forecast point is near 42.50°N latitude and 96.40°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sioux City weather today
Overcast and 58°F in Sioux City, IA. Today's high is 65°F with a 93% rain chance. Winds are around 14 mph with gusts near 29 mph. Relative humidity is 95%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sioux City
Sunrise is at 07:17 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 74°F and a low near 59°F. The maximum rain chance is 25%.