Extreme heat and poor air quality trigger special weather statement
A special air quality statement is in effect for parts of the region.
Huron-Perth, Sarnia-Lambton, Chatham-Kent and Windsor-Essex are all covered by the statement that warns of hot and humid weather that will create elevated pollution levels.
Those at risk of being impacted by poor air quality are kids and the elderly with underlying medical conditions such as lung or heart disease.
Symptoms include increased coughing, throat irritation, headaches or shortness of breath.
Here's a look at London's upcoming forecast
Tuesday night: Clear. Low 15 C.
Wednesday: Sunny. High 31 C. UV index 8 or very high.
Thursday: Sunny. High 31 C.
Friday: A mix of sun and cloud. High 31 C.
Saturday: A mix of sun and cloud with a 60 per cent chance of showers. High 30 C.
Sunday: A mix of sun and cloud. High 29 C.
Monday: A mix of sun and cloud. High of 28 C.
CTVNews.ca Top Stories

It’s here! Rare asteroid sample lands on Earth after OSIRIS-REx drops cargo
Seven years after OSIRIS-REx was sent into space to retrieve a sample of an asteroid, the NASA-led spacecraft has delivered its cargo into Earth’s orbit, and Canada is set to receive a piece.
A year after Fiona, a traumatized Newfoundland town backs away from the sea
One year after a wave driven by post-tropical storm Fiona slammed into the back of her house and twisted it like a corkscrew, some residents of Port aux Basques, N.L., are backing away from the sea.
Man hospitalized in life-threatening condition after incident at Calgary pub holding eating contest
Calgary paramedics took a man to hospital in life-threatening condition on Saturday after an incident at the Ship and Anchor pub.
Hot rental market makes search 'stressful' for many -- and it won't get better soon
The competitive rental market across the country is seeing multiple factors combine: high interest rates deter buyers and add to rental demand, still-high inflation is squeezing renter budgets, there's an undersupply of purpose-built rental units and population growth is fuelling demand.
Lender can't foreclose on B.C. woman's home because mortgage was obtained through fraud
A B.C. woman has won the right to stay in her home after convincing a judge that the mortgage her son took out on the property was obtained fraudulently.
Murder charge laid in killing of B.C. Mountie
The day after an RCMP officer was killed and two others were injured while executing a search warrant in Coquitlam, B.C., charges of murder and attempted murder have been laid.
Key to mending broken labour relations is fixing inflation, RBC economists say
High inflation is driving workers to take labour action and press for wage increases, according to a new report by Canada's largest bank that says more turbulence could be on the way for Canadian labour relations
Sikh groups ask Canadian political parties to present 'united front' against India
Two groups in the Canadian Sikh diaspora are calling for Canada's political parties to "present a united front" on India after Prime Minister Justin Trudeau announced a "potential link" between the shooting death of a local leader and the Indian government.
EXCLUSIVE 'Shared intelligence' from Five Eyes informed Trudeau's India allegation: U.S. ambassador
There was 'shared intelligence among Five Eyes partners' that informed Prime Minister Justin Trudeau's public allegation of a potential link between the government of India and the murder of a Canadian citizen, United States Ambassador to Canada David Cohen confirmed to CTV News.