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Severe thunderstorm watch lifted (update)

Which could mean heavy downpours, large hail and a possible tornado
Storm clouds
Stock photo

***Update: The watch was lifted Tuesday evening***

2:13 PM EDT Tuesday 14 September 2021
Severe thunderstorm watch in effect for:

  • Guelph - Erin - Southern Wellington County
  • Kitchener - Cambridge - Region of Waterloo
  • Mount Forest - Arthur - Northern Wellington County

Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, damaging hail and heavy rain.

Wind gusts up to 110 km/h
Large hail up to ping pong ball size
Heavy downpours
A tornado is possible

Timing: Late this afternoon and this evening.

Discussion: A line of severe thunderstorms is expected to move eastward across the regions late this afternoon and this evening.

Very large hail can damage property, break windows, dent vehicles and cause serious injury. Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors!

Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.

The Office of the Fire Marshal and Emergency Management recommends that you take cover immediately if threatening weather approaches.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ONStorm.


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