Severe thunderstorm watch issued as weather system moves through region

Thunderstorms and rounds of rainfall move through the area Wednesday in advance of a cold front, prompting a severe thunderstorm watch from Environment Canada.

Several counties, including Bruce, Brandt, and Haldimand are under a rainfall warning. These areas could see an additional 40 to 60 millilitres of rain.

Humidity remains until the front moves in on Thursday.

“This is a tropical air mass,” said CTV London’s meteorologist Julie Atchison. “We’ve been dealing with humidity is feeling like the mid 30s.”

Thursday’s weather will have some showers, with winds bringing in drier air.

Friday will have a chance of light showers and will bring a mix of sun and cloud.

Here’s a look at the rest of the forecast

Wednesday night: Cloudy. 40 per cent chance of showers early this evening. Showers or a few thunderstorms beginning this evening changing to 40 per cent chance of showers near midnight. Risk of a thunderstorm overnight. Wind becoming southeast 20 km/h this evening then becoming southwest 20 gusting to 40. Temperature steady near 18.

Thursday: Cloudy with 60 per cent chance of showers. Wind southwest 20 km/h gusting to 40 becoming northwest 30 gusting to 50 in the afternoon. High 22. Humidex 25. UV index 4 or moderate.

Friday: A mix of sun and cloud with 30 per cent chance of showers. High 27.

Saturday: Sunny. Windy. High 29.

Sunday: Sunny. High 33.