WEATHER ALERTS
ENVIRONMENT CANADA
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Severe thunderstorm watch in effect for:
Barrie - Collingwood - Hillsdale
Midland - Coldwater - Orr Lake
Orillia - Lagoon City - Washago
Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, large hail and torrential rain.
Thunderstorms are expected to move across Lake Huron from Michigan late this evening and continue rapidly eastward. A few locations may receive several rounds of thunderstorms. The thunderstorm activity is expected to end early Wednesday morning.
Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Heavy downpours can cause flash floods and water pooling on roads. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors!
Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.
The Office of the Fire Marshal and Emergency Management recommends that you take cover immediately if threatening weather approaches.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports using #ONStorm.
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Heat warning in effect for:
Barrie - Collingwood - Hillsdale
Humidex values reaching 40 are expected.
Hot and humid conditions continue today and tonight.
A hot and humid airmass will continue to affect the region.
Maximum afternoon temperatures today are expected to reach close to 31 degrees with humidex values near 40. Overnight lows tonight will be in the low 20s providing little relief from the heat.
A cold front will bring cooler temperatures near noon Wednesday with forecast highs in the mid to high 20s.
The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.
Check on older family, friends and neighbours. Make sure they are cool and drinking water.
Never leave people or pets inside a parked vehicle.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or tweet reports using #ONStorm.
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