914
WWUS73 KFSD 220823
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
323 AM 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>071-221800-
/O.NEW.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 ROCK RAPIDS, ROCK VALLEY, STORM LAKE,
HOWARD, MOUNTAIN LAKE, SIOUX CITY, VERMILLION, CANISTOTA,
BROOKINGS, CHANCELLOR, ALLEN, PARKER, VIBORG, LENNOX, WAGNER,
SLAYTON, SANBORN, SOUTH SIOUX CITY, HENDRICKS, MADISON, NORTH
SIOUX CITY, IVANHOE, LAKE PRESTON, MARSHALL, CHAMBERLAIN, DE
SMET, ARLINGTON, HOLSTEIN, DELMONT, ARMOUR, IRENE, BRIDGEWATER,
SIBLEY, HAWARDEN, SCOTLAND, MILFORD, WESSINGTON SPRINGS, MENNO,
SPRINGFIELD, WHITE LAKE, JEFFERSON, ELK POINT, SPIRIT LAKE,
KIMBALL, IDA GROVE, HARRISBURG, INWOOD, TYNDALL, LUVERNE, TABOR,
SPENCER, YANKTON, SHELDON, CENTERVILLE, CHEROKEE, TYLER, WINDOM,
LE MARS, BERESFORD, WOONSOCKET, PLATTE, MITCHELL, LAKEFIELD,
HARTLEY, FREEMAN, SALEM, JACKSON, FULDA, PLANKINTON, SIOUX
CENTER, MONTROSE, HURLEY, MARTY, TEA, HURON, ALCESTER, LAKE
ANDES, MARION, LAKE BENTON, BATTLE CREEK, CLAYTON, STICKNEY,
SIOUX FALLS, EMERY, HULL, WORTHINGTON, ORLAND, GEORGE, WAKEFIELD,
CANTON, AVON, BURKE, GREGORY, CORSICA, LARCHWOOD, PONCA, TRIPP,
PIPESTONE, ALPENA, PARKSTON, ARNOLDS PARK, ALEXANDRIA, ORANGE
CITY, AND FLANDREAU
323 AM CDT TUE JUL 22 2025
...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS
EVENING...
* WHAT...HEAT INDEX VALUES UP TO 105 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, SOUTHWEST
MINNESOTA, NORTHEAST NEBRASKA, AND CENTRAL, EAST CENTRAL, SOUTH
CENTRAL, AND SOUTHEAST SOUTH DAKOTA.
* WHEN...FROM 1 PM THIS AFTERNOON TO 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.
MEYERS
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