Showers and isolated thunderstorms are expected to continue today, but should begin to taper off this afternoon.
Environment Canada says this widespread rainfall event is due to a cold front and a moisture-laden low pressure system arriving from the American Mid-west.
In the past 48 hours, some areas have seen over 100 mm of rain.
Here are the rainfall totals in our area:
Barrie/Orillia
Tues 8.9 mm
Wed 33.2 mm
=42.1 mm
Collingwood/WB
Tuesday 20.5 mm
Wednesday 90.9 mm
= 111.4 mm
Muskoka
Tuesday 8.9 mm
Wednesday 58.3 mm
= 67.2 mm
Rainfall Warnings remain in effect across southern Ontario, but should end before the end of the day.
If visibility is reduced while driving, turn on your lights and maintain a safe following distance. Localized flooding in low-lying areas is possible.
A chance of showers remains in the forecast until next Tuesday, September 28.
For the latest forecast from Environment Canada, please click here.
A weather summary has been published for the significant rainfall that has fallen across much of southern Ontario. Please find the summary here: https://t.co/1QWSYZGrXG #ONStorm
— ECCC Weather Ontario (@ECCCWeatherON) September 23, 2021
24hr rainfall amounts as of 8AM EDT. Some areas have seen 100+ mm of rain in the past 48 hrs. Rainfall Warnings remain in effect for parts of eastern ON. Consult @ONresources or your local conservation authority for info on flooding.#ONStorm pic.twitter.com/aVuEqSAGKc
— ECCC Weather Ontario (@ECCCWeatherON) September 23, 2021
Significant Weather Outlook for Ontario valid for Thursday. #ONstorm pic.twitter.com/0pT9tFwbb4
— ECCC Weather Ontario (@ECCCWeatherON) September 22, 2021
24 hr rainfall totals as of 8AM EDT. More rain through today with an additional 50-75 mm possible in some areas. Rainfall Warnings remain in effect. Consult @ONresources or your local conservation authority for information regarding flooding. #ONStorm pic.twitter.com/ItGJp6FK49
— ECCC Weather Ontario (@ECCCWeatherON) September 22, 2021