748
WWUS73 KFSD 221913
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
213 PM CDT TUE JUL 22 2025
IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-230315-
/O.NEW.KFSD.HT.Y.0004.250723T1700Z-250724T0100Z/
/O.CON.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/
DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-
WOODBURY-IDA-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF ELK POINT, VERMILLION, HOLSTEIN, SPENCER,
NORTH SIOUX CITY, ROCK VALLEY, STORM LAKE, ORANGE CITY, ALLEN,
CHEROKEE, SIOUX CITY, ARNOLDS PARK, WAKEFIELD, ALCESTER, SHELDON,
SPIRIT LAKE, BATTLE CREEK, SOUTH SIOUX CITY, HULL, SANBORN,
PONCA, MILFORD, HAWARDEN, LE MARS, SIOUX CENTER, JEFFERSON, IDA
GROVE, BERESFORD, AND HARTLEY
213 PM CDT TUE JUL 22 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
..HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY
* WHAT...FOR THE FIRST HEAT ADVISORY, HEAT INDEX VALUES UP TO 101.
FOR THE SECOND HEAT ADVISORY, HEAT INDEX VALUES UP TO 104 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, NORTHEAST
NEBRASKA, AND SOUTHEAST SOUTH DAKOTA.
* WHEN...FOR THE FIRST HEAT ADVISORY, UNTIL 8 PM CDT THIS EVENING.
FOR THE SECOND HEAT ADVISORY, FROM NOON TO 8 PM CDT WEDNESDAY.
* 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.
IAZ001-002-MNZ071-072-080-081-089-090-097-098-SDZ038>040-050-052>069-
230100-
/O.CON.KFSD.HT.Y.0003.000000T0000Z-250723T0100Z/
LYON-OSCEOLA-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-
MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-
CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
INCLUDING THE CITIES OF HENDRICKS, FLANDREAU, CANISTOTA, INWOOD,
SIOUX FALLS, PARKSTON, PIPESTONE, KIMBALL, MARION, HURLEY,
HOWARD, CENTERVILLE, HARRISBURG, WOONSOCKET, CANTON, AVON,
WORTHINGTON, DE SMET, MARTY, TYNDALL, SIBLEY, EMERY, PLATTE,
ARMOUR, LARCHWOOD, CLAYTON, JACKSON, WAGNER, HURON, SPRINGFIELD,
CHAMBERLAIN, PLANKINTON, MITCHELL, MENNO, ALEXANDRIA, ALPENA,
MADISON, VIBORG, BRIDGEWATER, TRIPP, GEORGE, IRENE, CHANCELLOR,
SCOTLAND, PARKER, TYLER, WESSINGTON SPRINGS, DELMONT, SALEM,
GREGORY, LAKE ANDES, LAKEFIELD, CORSICA, FULDA, STICKNEY, ROCK
RAPIDS, WINDOM, MARSHALL, WHITE LAKE, ARLINGTON, YANKTON, TABOR,
BURKE, LAKE BENTON, MOUNTAIN LAKE, SLAYTON, LENNOX, TEA, IVANHOE,
LUVERNE, BROOKINGS, FREEMAN, MONTROSE, ORLAND, AND LAKE PRESTON
213 PM CDT TUE JUL 22 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 104.
* WHERE...PORTIONS OF NORTHWEST IOWA, SOUTHWEST MINNESOTA, 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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