The London-Middlesex Health Unit and Elgin-St. Thomas Health Unit are both ending a Cold Weather Alert issued last week.
Temperatures are forecasted to be above -15C for the next 24 hours. A Cold Weather Alert is put in place when temperatures reach below -15C.
Officials at the Health Unit say it is likely another alert will be issued by tomorrow evening, when frigid temperatures are expected to return.
There are have been four Cold Weather Alerts issued so far this winter season.