800
WWUS73 KFSD 241623
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1123 AM CDT FRI JUL 24 2026
IAZ001>003-013-014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ039-040-054>056-061-062-250330-
/O.NEW.KFSD.HT.Y.0006.260725T1700Z-260727T0100Z/
LYON-OSCEOLA-DICKINSON-O'BRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA-
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-
KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-
INCLUDING THE CITIES OF IDA GROVE, FLANDREAU, SALEM, MILFORD, ROCK
RAPIDS, HARTLEY, PIPESTONE, HOWARD, MADISON, MONTROSE, SLAYTON,
MOUNTAIN LAKE, SHELDON, JACKSON, SPIRIT LAKE, SPENCER, CANISTOTA,
BATTLE CREEK, LAKEFIELD, LUVERNE, WORTHINGTON, LARCHWOOD, SIOUX
FALLS, DE SMET, LAKE PRESTON, ARNOLDS PARK, FULDA, LAKE BENTON,
INWOOD, BROOKINGS, IVANHOE, GEORGE, SANBORN, HENDRICKS, STORM LAKE,
WINDOM, MARSHALL, ARLINGTON, BRIDGEWATER, CHEROKEE, HOLSTEIN, TYLER,
SIBLEY, AND ORLAND
1123 AM CDT FRI JUL 24 2026
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM CDT SUNDAY
* WHAT...HEAT INDEX VALUES UP TO 102 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, SOUTHWEST
MINNESOTA, AND EAST CENTRAL AND SOUTHEAST SOUTH DAKOTA.
* WHEN...FROM NOON SATURDAY TO 8 PM CDT SUNDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
IAZ012-020-031-NEZ013-014-SDZ038-050-052-053-057>060-063>071-250330-
/O.NEW.KFSD.HT.Y.0006.260725T1700Z-260727T0100Z/
SIOUX-PLYMOUTH-WOODBURY-DIXON-DAKOTA-BEADLE-GREGORY-JERAULD-SANBORN-
BRULE-AURORA-DAVISON-HANSON-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-
LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF CORSICA, HURLEY, ALCESTER, WOONSOCKET,
WESSINGTON SPRINGS, YANKTON, HULL, ALLEN, TRIPP, IRENE, GREGORY, TEA,
MITCHELL, CANTON, ELK POINT, SCOTLAND, PONCA, CHAMBERLAIN, LAKE
ANDES, MARTY, AVON, DELMONT, HAWARDEN, SIOUX CITY, PARKSTON, EMERY,
FREEMAN, VERMILLION, ROCK VALLEY, BURKE, TABOR, PLATTE, PARKER,
ALEXANDRIA, CHANCELLOR, TYNDALL, CLAYTON, ALPENA, VIBORG, JEFFERSON,
LENNOX, LE MARS, MENNO, STICKNEY, WHITE LAKE, WAKEFIELD, WAGNER,
ARMOUR, CENTERVILLE, HARRISBURG, BERESFORD, MARION, KIMBALL, SIOUX
CENTER, SOUTH SIOUX CITY, SPRINGFIELD, ORANGE CITY, HURON, NORTH
SIOUX CITY, AND PLANKINTON
1123 AM CDT FRI JUL 24 2026
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM CDT SUNDAY
* WHAT...HEAT INDEX VALUES AROUND 105 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, NORTHEAST
NEBRASKA, AND CENTRAL, EAST CENTRAL, SOUTH CENTRAL, AND SOUTHEAST
SOUTH DAKOTA.
* WHEN...FROM NOON SATURDAY TO 8 PM CDT SUNDAY.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
WEISSER
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