Weather in Sioux City, United States 🇺🇸
As of now, Sioux City is 34°C and overcast, feeling like 39°C. The air is at 54% humidity and winds are about 16 km/h, and the UV index is 4 (moderate). Looking ahead, Sioux City should sit between roughly 19°C and 35°C over the coming days.
Hourly Forecast for Sioux City
14-Day Forecast for Sioux City
Overcast
Overcast
Patchy rain nearby
Overcast
Sunny
Sunny
Overcast
Light rain shower
Sunny
Sunny
Overcast
Sunny
Sunny
Sunny
Additional Forecasts for Sioux City
Air Quality
Historical Weather
Weather Forecasts for Other Cities in United States
Browse Weather in United States by cities in alphabetical order:
Best Time to Be Outside in Sioux City Today
The most comfortable window in Sioux City today looks like 17:00 to 20:00, when it is around 32°C. It should stay dry through that window. The next likely rain is around 20:00.
Frequently Asked Questions about Weather in Sioux City
What is the temperature in Sioux City right now?
It is currently 34°C (92°F) in Sioux City, overcast (feels like 39°C).
What's the weather like in Sioux City right now?
Current weather in Sioux City: Overcast, humidity 54%, wind 16 km/h SE.
What is today's forecast for Sioux City?
Today in Sioux City: high 34°C, low 20°C, overcast. Chance of rain: 77%.
What is the 7-day weather forecast for Sioux City?
Daily highs and lows for Sioux City:
- 2026-09-06: 34°C / 20°C
- 2026-09-07: 35°C / 19°C
- 2026-09-08: 33°C / 23°C
- 2026-09-09: 31°C / 18°C
- 2026-09-10: 30°C / 16°C
- 2026-09-11: 38°C / 22°C
- 2026-09-12: 23°C / 14°C
Is it going to rain in Sioux City today?
There is a 77% chance of rain in Sioux City today. Total expected precipitation: 9.09 mm.
What is the wind speed in Sioux City right now?
Wind in Sioux City is currently 16 km/h (10 mph) from the SE.
What is the UV index in Sioux City right now?
The UV index in Sioux City is currently 4.5 (moderate). Sun protection is recommended when the index is 3 or higher.
