Hourly Weather | Today Tuesday, June 9, 2026
Active Weather Warnings
Sioux City, Iowa
11 PM
Cloudy Night
81°
Feels Like 82°
19
Humidity: 76%
UV Index: 0
Wind: 15 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 4.71 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Sioux City

Extreme Future Possible

Tornado Watch

Tornado Watch issued June 9 at 8:37PM CDT until June 10 at 3:00AM CDT by NWS Sioux Falls SD
Jun 9, 8:37 PM Jun 10, 3:00 AM
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 297 IN
EFFECT UNTIL 3 AM CDT WEDNESDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 11 COUNTIES

IN NORTHWEST IOWA

BUENA VISTA CHEROKEE CLAY
DICKINSON LYON O'BRIEN
OSCEOLA PLYMOUTH SIOUX

IN WEST CENTRAL IOWA

IDA WOODBURY

IN MINNESOTA THIS WATCH INCLUDES 8 COUNTIES

IN SOUTHWEST MINNESOTA

COTTONWOOD JACKSON LINCOLN
LYON MURRAY NOBLES
PIPESTONE ROCK

IN NEBRASKA THIS WATCH INCLUDES 2 COUNTIES

IN NORTHEAST NEBRASKA

DAKOTA DIXON

IN SOUTH DAKOTA THIS WATCH INCLUDES 18 COUNTIES

IN EAST CENTRAL SOUTH DAKOTA

BEADLE BROOKINGS KINGSBURY
LAKE MINER MOODY
SANBORN

IN SOUTHEAST SOUTH DAKOTA

BON HOMME CLAY DAVISON
HANSON HUTCHINSON LINCOLN
MCCOOK MINNEHAHA TURNER
UNION YANKTON

THIS INCLUDES THE CITIES OF ALCESTER, ALEXANDRIA, ALLEN,
ARLINGTON, ARNOLDS PARK, AVON, BATTLE CREEK, BERESFORD,
BRIDGEWATER, BROOKINGS, CANISTOTA, CANTON, CENTERVILLE,
CHANCELLOR, CHEROKEE, CLAYTON, DE SMET, ELK POINT, EMERY,
FLANDREAU, FREEMAN, FULDA, GEORGE, HARRISBURG, HARTLEY, HAWARDEN,
HENDRICKS, HOLSTEIN, HOWARD, HULL, HURLEY, HURON, IDA GROVE,
INWOOD, IRENE, IVANHOE, JACKSON, JEFFERSON, LAKE BENTON,
LAKE PRESTON, LAKEFIELD, LARCHWOOD, LE MARS, LENNOX, LUVERNE,
MADISON, MARION, MARSHALL, MENNO, MILFORD, MITCHELL, MONTROSE,
MOUNTAIN LAKE, NORTH SIOUX CITY, ORANGE CITY, ORLAND, PARKER,
PARKSTON, PIPESTONE, PONCA, ROCK RAPIDS, ROCK VALLEY, SALEM,
SANBORN, SCOTLAND, SHELDON, SIBLEY, SIOUX CENTER, SIOUX CITY,
SIOUX FALLS, SLAYTON, SOUTH SIOUX CITY, SPENCER, SPIRIT LAKE,
SPRINGFIELD, STORM LAKE, TABOR, TEA, TRIPP, TYLER, TYNDALL,
VERMILLION, VIBORG, WAKEFIELD, WINDOM, WOONSOCKET, WORTHINGTON,
AND YANKTON.
Updated: Jun 9, 9:21 PM Source: NWS Alert