022
WWUS73 KFSD 281520
NPWFSD
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1020 AM CDT MON JUL 28 2025
IAZ001>003-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ050-052>055-
057>071-290100-
/O.CON.KFSD.XH.W.0003.250728T1700Z-250729T0100Z/
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA
VISTA-WOODBURY-IDA-ROCK-DIXON-DAKOTA-GREGORY-JERAULD-SANBORN-
MINER-LAKE-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES
MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-
UNION-
INCLUDING THE CITIES OF PONCA, MITCHELL, WESSINGTON SPRINGS,
HARRISBURG, SIOUX FALLS, ALPENA, CENTERVILLE, SIBLEY, SHELDON,
ARNOLDS PARK, KIMBALL, HAWARDEN, SALEM, ROCK RAPIDS, PARKER,
MARION, WHITE LAKE, GEORGE, WOONSOCKET, EMERY, ARMOUR, LE MARS,
HURLEY, WAKEFIELD, PLATTE, HOLSTEIN, CANTON, SIOUX CITY, BATTLE
CREEK, SPIRIT LAKE, LENNOX, ALCESTER, HARTLEY, MENNO, SIOUX
CENTER, PLANKINTON, YANKTON, TRIPP, GREGORY, ORLAND, MADISON,
CANISTOTA, HOWARD, BERESFORD, ALLEN, ALEXANDRIA, MONTROSE, HULL,
LUVERNE, DELMONT, VERMILLION, TEA, PARKSTON, VIBORG, CHEROKEE,
SCOTLAND, AVON, ORANGE CITY, BRIDGEWATER, ROCK VALLEY, SOUTH
SIOUX CITY, IDA GROVE, SANBORN, MILFORD, CHAMBERLAIN, WAGNER,
JEFFERSON, BURKE, TYNDALL, SPRINGFIELD, INWOOD, LARCHWOOD,
CHANCELLOR, CLAYTON, STICKNEY, ELK POINT, IRENE, CORSICA, LAKE
ANDES, SPENCER, FREEMAN, STORM LAKE, NORTH SIOUX CITY, TABOR, AND
MARTY
1020 AM CDT MON JUL 28 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 106
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...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
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.
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.
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.
MNZ071-072-080-081-089-090-097-SDZ038>040-056-290100-
/O.CON.KFSD.HT.Y.0006.250728T1700Z-250729T0100Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-BEADLE-
KINGSBURY-BROOKINGS-MOODY-
INCLUDING THE CITIES OF SLAYTON, WORTHINGTON, HURON, WINDOM,
LAKEFIELD, JACKSON, FULDA, TYLER, LAKE PRESTON, BROOKINGS,
ARLINGTON, PIPESTONE, LAKE BENTON, MARSHALL, MOUNTAIN LAKE,
IVANHOE, DE SMET, HENDRICKS, AND FLANDREAU
1020 AM CDT MON JUL 28 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES TO AROUND 100 EXPECTED.
* WHERE...PORTIONS OF SOUTHWEST MINNESOTA AND EAST CENTRAL 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.
SAMET
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