Heat Warning Continues for Our Region Today – High 33, Humidex 41

Brockville – The Heat Warning continues today for Brockville, Leeds-Grenville, Smiths Falls, and Lanark.

Hot and humid conditions are expected through Thursday with maximum temperatures of 31 to 34 degrees Celsius and humidex values near 40. A cooler air mass is expected Thursday night.

A hot and humid airmass is expected through Thursday. Daytime highs are expected to be 31 to 34 degrees Celsius. The hottest days look to be today and Wednesday. Overnight lows are expected to be 18 to 21 degrees Celsius bringing little relief from the heat. Humidex values and daytime highs will be very atypical of early September.

The passage of a cold front will bring an end to the heat Thursday night.

Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category.

Extreme heat affects everyone.

The risks are greater for young children, pregnant women, older adults, people with chronic illnesses and people working or exercising outdoors.

Watch for the effects of heat illness: swelling, rash, cramps, fainting, heat exhaustion, heat stroke and the worsening of some health conditions.

Drink plenty of water even before you feel thirsty and stay in a cool place.

Watch for the symptoms of heat illness: dizziness/fainting; nausea/vomiting; rapid breathing and heartbeat; extreme thirst; decreased urination with unusually dark urine.

Outdoor workers should take regularly scheduled breaks in a cool place.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.