The coldest air of the season is on the way
Wind chill values will be the story of the forecast for a good portion of the week.
Icy cold air is gripping Ontario Tuesday after a relatively mild start to the year as an Arctic air mass has arrived with wind chills of close to – 20.
On Tuesday night the low will dip close to – 16 C, and with the wind chill it will feel like – 21 overnight.
A mix of sun and cloud is on the way Wednesday, with the high forecasted to reach – 7 C in the afternoon.
The coldest air of the season arrives Thursday night and into Friday, with a fresh infusion of frigid Arctic cold.
Flurries will accompany the cold front Thursday night and you can expect a light coating of snowfall as the front pushes through.
The coldest temperatures of the year and winter season arrives Friday. The daytime high will struggle to reach – 10 C in the afternoon and dangerously cold temperatures are in the forecast for Friday night, with the low plunging to – 20 C. With the wind chill, it will feel close to – 24.
There is also the risk of snow squalls Friday as the cold air pours in.
The frigid air will retreat on Sunday, and temperatures will rebound back above freezing by early next week.
Here's a look at London's full forecast for the the week
Tuesday: Mainly cloudy. 30 per cent chance of flurries early this morning. Wind chill – 19 this morning and – 12 this afternoon.
Tuesday Night: Increasing cloudiness. Low – 14 C. Wind chill – 14 this evening and – 20 overnight.
Wednesday: Mainly cloudy. Wind becoming west 20 km/h gusting to 40 in the morning then light late in the afternoon. High – 7 C. Wind chill – 22 in the morning and – 12 in the afternoon.
Thursday: Sunny. High – 5 C.
Friday: A mix of sun and cloud with 60 per cent chance of flurries. High – 11 C.
Saturday: Cloudy. High – 4 C.
Sunday: Cloudy with 40 per cent chance of flurries. High – 1 C.
Monday: Cloudy. High – 3 C.
— With files from CTV News London's Kristylee Varley
CTVNews.ca Top Stories
Deaths of 4 people on Sask. farm confirmed as murder-suicide
The deaths of four people on a farm near the Saskatchewan village of Neudorf have been confirmed a murder-suicide.
Multiple bridges in Calgary shut down for police incident
Calgary police have shut down a number of bridges into and out of the downtown core as officers deal with a distraught individual.
Sunshine list: These were the Ontario public sector's highest earners in 2023
Ontario released its annual sunshine list Thursday afternoon, noting that the largest year-over-year increases were in hospitals, municipalities, and post-secondary sectors.
Why some Christians are angry about Trump's 'God Bless the USA' Bible
Former U.S. President Donald Trump is officially selling a copy of the Bible themed to Lee Greenwood’s famous song, 'God Bless the USA.' But the concept of a Bible covered in the American flag has raised concern among religious circles.
George Washington family secrets revealed by DNA from unmarked 19th century graves
Genetic analysis has shed light on a long-standing mystery surrounding the fates of U.S. President George Washington's younger brother Samuel and his kin.
Baby boom amongst nurses leads to maternity ward closure in Listowel, Ont.
The emergency room at Listowel’s hospital is open today, but come summer, their obstetrics unit will be temporarily closing its delivery rooms.
Humboldt Broncos bus crash survivor qualifies Canada for Paralympics in rowing event
Former Humboldt Broncos goaltender and bus crash survivor Jacob Wassermann has qualified Canada for a rowing event for the 2024 Paralympic games in Paris.
Krispy Kreme doughnuts coming to McDonald's in U.S., but not Canada
Canadians will be missing out on a sweet new partnership between McDonald's and Krispy Kreme, which will see doughnuts available at McDonald's locations across the U.S. by the end of 2026.
'We won't forget': How some Muslims view Poilievre's stance on Israel-Hamas war
A spokesman for a regional Muslim advocacy group says Conservative Leader Pierre Poilievre's stance on the Israel-Hamas war could complicate his party's relationship with Muslim Canadians.