258
WWCN12 CWTO 010037
HEAT WARNING
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 8:37 P.M. EDT SATURDAY 31 MAY 2025.
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HEAT WARNING FOR:
DRYDEN - IGNACE
FORT FRANCES - RAINY LAKE
ATIKOKAN - UPSALA - QUETICO.
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==DISCUSSION==
A HEAT EVENT IS EXPECTED TO BEGIN ON SUNDAY AND CONTINUE INTO
MONDAY.
WHAT:
DAYTIME HIGHS REACHING 29 TO 31 DEGREES CELSIUS AND OVERNIGHT LOWS
OF 18 TO 20 DEGREES CELSIUS.
WHEN:
SUNDAY AFTERNOON THROUGH MONDAY NIGHT.
DISCUSSION:
A HOT AIR MASS WILL MOVE INTO THE REGION ON SUNDAY. FOREST FIRE
SMOKE IS ALSO EXPECTED TO MOVE IN ON SUNDAY. THE SMOKE MAY LIMIT
DAYTIME HEATING KEEPING TEMPERATURES JUST SHY OF WARNING CRITERIA. A
COLD FRONT IS FORECAST TO PUSH THROUGH MONDAY NIGHT WHICH WILL USHER
IN COOLER TEMPERATURES.
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.
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.
WHEN THERE IS AN EXTREME HEAT EVENT OCCURRING WITH WILDFIRE SMOKE,
HTTPS://WWW.CANADA.CA/EN/HEALTH-CANADA/SERVICES/PUBLICATIONS/HEALTHY-LIVING/COMBINE-WILDFIRE-SMOKE-HEAT.HTML.
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
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