Environment Canada warned of the potential for severe thunderstorms Wednesday afternoon and evening but nothing materialized.
A severe thunderstorm watch issued for Sarnia-Lambton just after 1 p.m. was cancelled after 5 p.m.
Environment Canada said conditions were favourable for the development of storms with wind gusts of up to 100 kilometres an hour, and hail of up to 2 to 3 centimetres in diameter.
Winds shifted northeasterly and the temperature at Chris Hadfield Airport fell from 25 C at 2 p.m. to 9 C by 5 p.m. A high of only 7 C, 45 F, is forecast in Sarnia Thursday. The normal high at this time of year is 17 C, 63 F.
