WWCN13 CWTO 030839

HEAT WARNING

FOR FAR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:39 A.M. EDT THURSDAY 3 JULY 2025.

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HEAT WARNING FOR:

      PIKANGIKUM - POPLAR HILL - MACDOWELL.



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==DISCUSSION==



HUMIDEX VALUES REACHING 36 ARE EXPECTED FOR THE NEXT 2 DAYS.



A HEAT EVENT IS EXPECTED TO BEGIN TODAY AND CONTINUE INTO FRIDAY. 



WHAT: 

DAYTIME HIGHS OF 28 TO 32 DEGREES CELSIUS. 

OVERNIGHT LOWS OF 18 TO 21 DEGREES CELSIUS, PROVIDING LITTLE RELIEF 

FROM THE HEAT. 



WHEN: 

BEGINNING THIS AFTERNOON AND ENDING FRIDAY NIGHT.



TAKE ACTION TO PROTECT YOURSELF AND OTHERS - EXTREME HEAT CAN AFFECT 

EVERYONE'S HEALTH. DETERMINE IF YOU OR OTHERS AROUND YOU ARE AT 

GREATER RISK OF HEAT ILLNESS. CHECK ON OLDER ADULTS, THOSE LIVING 

ALONE AND OTHER AT-RISK PEOPLE IN-PERSON OR ON THE PHONE MULTIPLE 

TIMES A DAY. 



WATCH FOR THE EARLY SIGNS OF HEAT EXHAUSTION IN YOURSELF AND OTHERS. 

SIGNS MAY INCLUDE HEADACHE, NAUSEA, DIZZINESS, THIRST, DARK URINE 

AND INTENSE FATIGUE. STOP YOUR ACTIVITY AND DRINK WATER. 



HEAT STROKE IS A MEDICAL EMERGENCY(EXCLAMATION MARK) CALL 9-1-1 OR 

YOUR EMERGENCY HEALTH PROVIDER IF YOU, OR SOMEONE AROUND YOU, IS 

SHOWING SIGNS OF HEAT STROKE WHICH CAN INCLUDE RED AND HOT SKIN, 

DIZZINESS, NAUSEA, CONFUSION AND CHANGE IN CONSCIOUSNESS. WHILE YOU 

WAIT FOR MEDICAL ATTENTION, TRY TO COOL THE PERSON BY MOVING THEM TO 

A COOL PLACE, REMOVING EXTRA CLOTHING, APPLYING COLD WATER OR ICE 

PACKS AROUND THE BODY. 



DRINK WATER OFTEN AND BEFORE YOU FEEL THIRSTY TO REPLACE FLUIDS. 



CLOSE BLINDS, OR SHADES AND OPEN WINDOWS IF OUTSIDE IS COOLER THAN 

INSIDE. 



TURN ON AIR CONDITIONING, USE A FAN, OR MOVE TO A COOLER AREA OF 

YOUR LIVING SPACE. IF YOUR LIVING SPACE IS HOT, MOVE TO A COOL 

PUBLIC SPACE SUCH AS A COOLING CENTRE, COMMUNITY CENTRE, LIBRARY OR 

SHADED PARK. 



FOLLOW THE ADVICE OF YOUR REGION'S PUBLIC HEALTH AUTHORITY. 



PLAN AND SCHEDULE OUTDOOR ACTIVITIES DURING THE COOLEST PARTS OF THE 

DAY. 



LIMIT DIRECT EXPOSURE TO THE SUN AND HEAT. WEAR LIGHTWEIGHT, 

LIGHT-COLOURED, LOOSE-FITTING CLOTHING AND A WIDE-BRIMMED HAT. 



NEVER LEAVE PEOPLE, ESPECIALLY CHILDREN, OR PETS INSIDE A PARKED 

VEHICLE. CHECK THE VEHICLE BEFORE LOCKING TO MAKE SURE NO ONE IS 

LEFT BEHIND. 



FOR MORE INFORMATION: 

HTTPS://WWW.CANADA.CA/EN/HEALTH-CANADA/SERVICES/CLIMATE-CHANGE-HEALTH/EXTREME-HEAT/HOW-PROTECT-YOURSELF.HTML 

HTTPS://WWW.CANADA.CA/EN/HEALTH-CANADA/SERVICES/CLIMATE-CHANGE-HEALTH/EXTREME-HEAT/WHO-IS-AT-RISK.HTML 



PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 

ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.



HTTP://WEATHER.GC.CA



END/OSPC