326  
WWUS73 KDLH 212151  
NPWDLH  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DULUTH MN  
451 PM CDT SAT JUN 21 2025  
 
MNZ025-026-033>036-038-WIZ001>004-006>009-221000-  
/O.CON.KDLH.XH.W.0001.000000T0000Z-250623T0200Z/  
NORTH CASS-SOUTH ITASCA-SOUTH CASS-CROW WING-NORTHERN AITKIN-  
SOUTH AITKIN-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-BURNETT-WASHBURN-  
SAWYER-PRICE-  
INCLUDING THE CITIES OF WASHBURN, GRAND RAPIDS, GRANTSBURG,  
HAYWARD, PINE RIVER, AITKIN, PINE CITY, HILL CITY, HURLEY,  
SUPERIOR, SPOONER, PHILLIPS, BAYFIELD, ASHLAND, WALKER, HINCKLEY,  
AND BRAINERD  
451 PM CDT SAT JUN 21 2025  
   
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT SUNDAY
 
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 102.  
 
* WHERE...IN MINNESOTA, CROW WING, AITKIN, PINE, CASS, AND SOUTH  
ITASCA COUNTIES. IN WISCONSIN, PRICE, ASHLAND, BAYFIELD, BURNETT,  
DOUGLAS, IRON, SAWYER, AND WASHBURN COUNTIES. THIS INCLUDES THE  
TRIBAL LANDS OF THE RED CLIFF BAND, THE BAD RIVER RESERVATION, THE  
ST. CROIX BAND IN BURNETT COUNTY, THE NORTHWESTERN AREA OF THE LAC  
DU FLAMBEAU BAND, THE LAC COURTE OREILLES RESERVATION AND THE  
MILLE LACS BAND, BIG SANDY LAKE, HINCKLEY, LENA LAKE AND, EAST  
LAKE AREAS. OTHER LOCATIONS INCLUDING THE APOSTLE ISLANDS NATIONAL  
LAKESHORE AND MADELINE ISLAND.  
 
* WHEN...UNTIL 9 PM CDT SUNDAY.  
 
* 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.  
 

 
 

 
 
MNZ010>012-018-019-037-221000-  
/O.CON.KDLH.HT.Y.0001.000000T0000Z-250623T0200Z/  
KOOCHICHING-NORTH ST. LOUIS-NORTHERN COOK AND LAKE-NORTH ITASCA-  
CENTRAL ST. LOUIS-CARLTON AND SOUTH ST. LOUIS-  
INCLUDING THE CITIES OF ELY, ISABELLA, DULUTH, BIGFORK,  
INTERNATIONAL FALLS, AND HIBBING  
451 PM CDT SAT JUN 21 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT SUNDAY
 
 
* WHAT...HEAT INDEX VALUES UP TO 105F.  
 
* WHERE...KOOCHICHING, NORTH ITASCA, CARLTON, ST. LOUIS, AND  
NORTHERN COOK AND LAKE COUNTIES. THIS INCLUDES THE TRIBAL LANDS OF  
THE FOND DU LAC BAND AND THE BOIS FORTE BAND, LAKE VERMILION, DEER  
CREEK AND, NETT LAKE AREAS. OTHER LOCATIONS INCLUDING VOYAGEURS  
NATIONAL PARK. THE ENTIRE BOUNDARY WATERS IS ALSO INCLUDED.  
 
* WHEN...UNTIL 9 PM CDT SUNDAY.  
 
* 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.  
 

 
 

 
 
FOR MORE INFORMATION ON NORTHLAND WEATHER, VISIT WWW.WEATHER.  
GOV/DULUTH  
 
BRITT  
 
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