Current conditions and forecast
Environment Canada watches and warnings
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OTTAWA -- A heat warning is in effect on this first day of summer.
Summer officially arrives in Ottawa at 5:43 p.m.
With the heat warning, expect hot temperatures and stifling humidity through the day.
Environment Canada's forecast for Saturday includes sunshine in the morning, a sun/cloud mix in the afternoon and a 30 per cent chance of showers with the risk of a thunderstorm. The high is 34°C with a humidex of 39 and a UV index of 9, or very high.
Not much relief comes at night. The overnight low is 20°C under a clear sky.
Expect another stuff day on Sunday, with a few clouds and a high of 33°C with a humidex of 39.
Monday's outlook is partly cloudy with a 40 per cent chance of showers and a high of 31°C.
The City of Ottawa has opened five emergency cooling centres for anyone seeking some relief from the heat.
The cooling centres are open from 11 a.m. to 7 p.m. Saturday and Sunday and are located at:
There are also many other options for anyone looking to cool off, including splash pads, beaches, and newly reopened malls.
Ottawa Public Health offers tips to stay cool during the heat wave: