On Monday, July 16th, the temperatures are will reach a high of 25°C; however, inland temperatures are expected to reach a sizzling 32°C.
Environment Canada warns that swelling, rash, cramps, fainting, heat exhaustion and heat stroke are all effects of heat illness.
You are advised to drink plenty of water and stay in a cool place and make sure family and friends are doing the same, and never leave people or pets in a parked vehicle.
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.
Environment Canada is issuing a heat warning for the South and Central Okanagan this morning, telling Osoyoos residents what they already know.
On Monday, the daytime high hit 32 C, but felt more like 41 with the humidity, according to Environment Canada weather data.
There is only a 30% chance of showers, however, so the odds are in your favour that you'll stay safe from the thunder and lightning (knock on wood).
Large hail can damage property and cause injury. Air quality may deteriorate if the smoke descends to ground level. They can also make breathing more hard. Children, seniors, and those with cardiovascular or lung disease, such as asthma, are especially at risk.
It's also important to be aware of the risks of the extreme heat if you are working or exercising outdoors.