Weather conditions went from wind chills of -30 C Family Day weekend to double digit highs Friday and Saturday.
A new record high for February 20 was set when the temperature reached 14.4 C early Saturday afternoon at Chris Hadfield Airport, smashing the previous mark of 13.2 C set in 1994.
Sarnia was second to Windsor (16.9 C) as the warmest spot in the province.
The temperature reached 12.7 C at 8pm Friday, unofficially breaking the previous record for February 19 of 12.6 C in 1994.
With the warm air came very strong southwesterly winds. A gust of 78 km/h was recorded at the airport at 10pm Friday.
Bluewater Power had crews out to handle some outages. Hydro One was not reporting any power disruption in Sarnia-Lambton Saturday morning.
