Motorists should watch out for ponding on area roads this Monday morning after heavy rainfalls and storms last night.
A brief thunderstorm rolled through the region around 10pm last night as a strong disturbance approached from the US midwest.
The Sarnia area received just over 15mm in heavy rains.
A special weather statement from Environment Canada ended around 4 this morning.
More showers and thunderstorms are possible again today.