057
WWUS73 KFSD 221751
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1251 PM CDT TUE JUL 22 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-230100-
/O.CON.KFSD.HT.Y.0003.250722T1800Z-250723T0100Z/
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA
VISTA-WOODBURY-IDA-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-GREGORY-
JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-
BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF CANISTOTA, FLANDREAU, PARKSTON, INWOOD,
MARION, PIPESTONE, HURLEY, WORTHINGTON, WAGNER, PLANKINTON,
MITCHELL, MENNO, ALPENA, VIBORG, SCOTLAND, IRENE, SIOUX CITY,
WAKEFIELD, DELMONT, LAKE ANDES, LAKEFIELD, FULDA, MARSHALL, HULL,
SANBORN, MILFORD, BURKE, TEA, HARTLEY, HENDRICKS, CENTERVILLE,
HARRISBURG, HOLSTEIN, CANTON, PLATTE, CLAYTON, SPRINGFIELD,
MADISON, GEORGE, ARNOLDS PARK, ALCESTER, SHELDON, SPIRIT LAKE,
GREGORY, CORSICA, SOUTH SIOUX CITY, ROCK RAPIDS, TABOR, LE MARS,
LENNOX, SIOUX CENTER, BROOKINGS, FREEMAN, MONTROSE, WOONSOCKET,
LAKE PRESTON, KIMBALL, AVON, DE SMET, TYNDALL, SIBLEY, NORTH
SIOUX CITY, STORM LAKE, HURON, CHAMBERLAIN, ALEXANDRIA,
CHANCELLOR, BRIDGEWATER, TRIPP, CHEROKEE, TYLER, BATTLE CREEK,
WINDOM, WHITE LAKE, ARLINGTON, YANKTON, HAWARDEN, MOUNTAIN LAKE,
IDA GROVE, IVANHOE, LUVERNE, SIOUX FALLS, ELK POINT, HOWARD,
VERMILLION, MARTY, SPENCER, EMERY, ARMOUR, LARCHWOOD, ROCK
VALLEY, JACKSON, ORANGE CITY, ALLEN, PARKER, WESSINGTON SPRINGS,
SALEM, STICKNEY, PONCA, LAKE BENTON, SLAYTON, JEFFERSON,
BERESFORD, AND ORLAND
1251 PM CDT TUE JUL 22 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 104 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, SOUTHWEST
MINNESOTA, NORTHEAST NEBRASKA, AND CENTRAL, EAST CENTRAL, SOUTH
CENTRAL, AND SOUTHEAST SOUTH DAKOTA.
* WHEN...UNTIL 8 PM CDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT
ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
AP
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