Hot and humid conditions trigger special weather statement
![london storm - may 2024 Storm clouds over London, Ont. on May 20, 2024. (Source: Joseph O'Neil)](/content/dam/ctvnews/en/images/2024/5/21/london-storm---may-2024-1-6894292-1716285467450.jpg)
London-Middlesex and Sarnia-Lambton are under a special weather statement from Environment Canada.
Hot and humid conditions are expected Tuesday as an air mass moves into southwestern Ontario.
Maximum temperatures of 31 degrees Celsius are expected Tuesday with overnight minimum temperatures near 21 degrees Celsius.
Slightly cooler temperatures are expected Wednesday as showers and thunderstorms are possible through the day.
Here's a look at the rest of the forecast
Tuesday: A mix of sun and cloud. 40 per cent chance of showers early this morning and this afternoon. Risk of a thunderstorm. High 31. Humidex 37. UV index 8 or very high.
Tuesday Night: Partly cloudy with 30 per cent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Low 21.
Wednesday: A mix of sun and cloud. 40 per cent chance of showers in the afternoon with risk of a thunderstorm. Wind south 30 km/h gusting to 50. High 27. Humidex 32. UV index 8 or very high.
Thursday: Sunny. High 26.
Friday: Sunny. High 19.
Saturday: A mix of sun and cloud. High 24.
Sunday: Cloudy. High 24.
Monday: Cloudy. High 23.
CTVNews.ca Top Stories
![](https://www.ctvnews.ca/polopoly_fs/1.6958031.1720617974!/httpImage/image.jpg_gen/derivatives/landscape_800/image.jpg)
Tracking Beryl: Remnants bring rainfall warnings for Ontario and Quebec
Environment Canada is warning of 'torrential' rain brought by the remnants of Hurricane Beryl to southern Ontario and Quebec, with downpours that could last until Thursday.
U.K. police are searching for man armed with crossbow after 3 women were killed in a home near London
British police were hunting for a man believed to be armed with a crossbow on Wednesday after three women were killed in a house near London.
Do you still need a doctor's note if you're sick? What employers are allowed to ask
When do you need to ask for a doctor's note if you're sick? Experts explain what employees and employers need to know.
'Perfect rat storm': Ontario cities seek ways to fight increasingly visible rats
Efforts are underway to combat growing rat populations in two of Ontario's largest cities, as the rodents that typically lurk underground become more visible thanks to a combination of construction and climate change.
'Her whole future ahead of her': Sask. photographer captures Manitoba graduate posing on iceberg
Some say a photograph is simply a memory frozen in time – and a high school graduation photo taken in Churchill, Man. takes that adage to a completely new level.
Insurers called out for 'contradiction': Supporting oil and gas industry but raising premiums
A shareholder advocacy group is calling out Canada's property insurers for their support of the fossil fuel industry while also raising premiums because of climate-related disasters.
Airline regulator prods passenger to keep quiet on complaint rulings
A consumer rights organization says the Canadian Transportation Agency is pressuring passengers to stay silent about its rulings on their complaints -- a move the country's airline regulator says falls squarely within its mandate under the law.
Downtown McGill University closed as pro-Palestinian encampment is dismantled
McGill University says its downtown campus is closed because it is dismantling the pro-Palestinian encampment on the lower field.
'Shrek 5' is coming in July 2026, and the big stars are onboard
Grab your torch and pitchforks! Everyone's favourite ogre is heading back to town, with the the latest movie in the "Shrek" franchise set for release in mid-2026.