After 3 consecutive days of heat and humidity across Southern Ontario, things are about to change. A cold front is ready to sweep away the heat and erase the humidity as it crosses the region today. Temperatures today will be in the mid 20's, feeling into the 30's, but tomorrow will only reach the mid to high teens with strong winds gusting to 60km/h at times.
Ahead of the front, showers and some embedded thunderstorms have developped. Gusty winds are also associated with these storms along with heavy rains. The cooler air will make it's way into the region later this evening and Im sure will be a welcome relief for many. It will be time to turn off the Air Conditioners and open the windows.
As mentioned above, Saturday will be noticeably cooler as northwesterly winds bring in much cooler air. Winds will be gusting upwards of 60km/h at times on the back side of the low pressure area responsible for the cooler weather. There is also the chance of some lake induced showers or thunderstorms. The same process that creates lake effect snows will be in motion tomorrow as cooler air races across the very warm waters of lake Huron and Georgian Bay. This is also a good set up for some waterspouts to form, so boaters need to be on the lookout for that as well. Waterspouts, although much weaker than tornadoes can still be very detructive to boats.
Hurricane Earl continues on it's northeastward trek towards Nova Scotia. Now a Category 1 storm, although significantly weaker, Earl will still pack a punch to the northeast. Check out this awesome satellight image take this afternoon. The low pressure system crossing the Great Lakes right next to Hurricane Earl over the Atlantic.
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