A warm front extending off this low will eventually grow to more than 2,000 km in length, stretching all the way from Thunder Bay, Ont., east to Halifax, N.S.

A sharp cold front will slide in from northwestern Ontario by Saturday afternoon, dropping temperatures. However, daytime highs will spike into the low 20s across the GTA and eastern Ontario ahead ...

The warm front becomes active with thundershowers Thursday across southern Michigan. The thundershowers move into the northern half of Lower Michigan Friday, possibly putting far southern Michigan ...