Today | Weather | Tuesday, November 3, 2026

Weather in Sioux City, Iowa

01:40 AM
Now
Rainy Weather
57° F
Feels Like 52°
Precipitation 61 %
Wind 10 mph
Humidity 90 %
Today
Rainy Weather
Day 55°
Night 45°
Precipitation 88 %
Wind 16 mph
UV Index (0 - 11+) 1

Sioux City Weather Forecast Updated

45 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 3, 2025)
Cloudy Night

Day

63°

Night

37°

Wind

6 mph

Precipitation

3 %

Air Quality in Sioux City

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.15 µg/m³
PM10 1.16 µg/m³
O3 0.028 ppm
NO2 0.7 ppb
SO2 0 ppb
CO 0.16 ppm
NH3 0.24 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 1.15 µg/m³
PM10 – 1.16 µg/m³
O3 – 54.56 µg/m³
NO2 – 1.36 µg/m³
SO2 – 0.02 µg/m³
CO – 180.84 µg/m³
NH3 – 0.24 µg/m³
NO – 0 µg/m³