264
WWUS73 KFSD 280854
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
354 AM CDT SUN JUN 28 2026
IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ062-066-067-069>071-
281900-
/O.CON.KFSD.HT.Y.0002.260628T1800Z-260630T0200Z/
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA
VISTA-WOODBURY-IDA-DIXON-DAKOTA-MINNEHAHA-TURNER-LINCOLN-YANKTON-
CLAY-UNION-
INCLUDING THE CITIES OF LARCHWOOD, HAWARDEN, ALCESTER, CANTON,
MILFORD, ELK POINT, NORTH SIOUX CITY, TEA, SANBORN, ROCK VALLEY,
HURLEY, CHANCELLOR, ORANGE CITY, WAKEFIELD, HARTLEY, CHEROKEE, STORM
LAKE, SPENCER, SOUTH SIOUX CITY, LE MARS, CENTERVILLE, SHELDON,
LENNOX, BATTLE CREEK, YANKTON, HULL, SIOUX CITY, SPIRIT LAKE,
JEFFERSON, MARION, GEORGE, PONCA, ARNOLDS PARK, HOLSTEIN, HARRISBURG,
ALLEN, BERESFORD, INWOOD, VERMILLION, ROCK RAPIDS, VIBORG, SIOUX
FALLS, SIOUX CENTER, PARKER, IRENE, IDA GROVE, AND SIBLEY
354 AM CDT SUN JUN 28 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM
CDT MONDAY...
* WHAT...HEAT INDEX VALUES UP TO 104 EXPECTED.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL IOWA, NORTHEAST
NEBRASKA, AND SOUTHEAST SOUTH DAKOTA.
* WHEN...FROM 1 PM THIS AFTERNOON TO 9 PM CDT MONDAY.
* 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.
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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
SDZ060-061-065-068-281900-
/O.CON.KFSD.HT.Y.0002.260628T1800Z-260629T0200Z/
HANSON-MCCOOK-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF ALEXANDRIA, TABOR, SALEM, SPRINGFIELD,
CANISTOTA, MONTROSE, FREEMAN, MENNO, TYNDALL, CLAYTON, SCOTLAND,
PARKSTON, AVON, EMERY, BRIDGEWATER, AND TRIPP
354 AM CDT SUN JUN 28 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM
CDT THIS EVENING...
* WHAT...HEAT INDEX VALUES UP TO 102 EXPECTED.
* WHERE...BON HOMME, HANSON, HUTCHINSON, AND MCCOOK COUNTIES.
* WHEN...FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING.
* 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.
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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
MNZ072-080-081-089-090-098-281900-
/O.CON.KFSD.HT.Y.0002.260629T1800Z-260630T0200Z/
LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-
INCLUDING THE CITIES OF MARSHALL, FULDA, WORTHINGTON, WINDOM,
JACKSON, SLAYTON, MOUNTAIN LAKE, LAKEFIELD, AND LUVERNE
354 AM CDT SUN JUN 28 2026
..HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 9 PM CDT MONDAY
* WHAT...HEAT INDEX VALUES UP TO 103 EXPECTED.
* WHERE...A PORTION OF SOUTHWEST MINNESOTA.
* WHEN...FROM 1 PM TO 9 PM CDT MONDAY.
* 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.
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.
SAMET
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