Wednesday, October 16th 2019, 8:00 pm - Expect Wednesday commute times in southern Ontario to be impacted by heavy rains
Late-season thunderstorms jolted Ontarians out of bed Wednesday, and though those downpours have tapered off, they'll linger into Thursday for parts of the east, as will lake effect showers in the southwest. More on this system's lingering effects, the impact of a U.S. nor'easter, and a look at an extended period of cooler weather that threatens pre-Halloween snow, below.
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- Rain continues in eastern Ontario Thursday, from the departing system and indirectly from a nor'easter in the U.S.
- Lake-effect showers possible Thursday for the southwest.
- Temperatures will remain cool, as gradually-clearing skies round out work week
- Potential for late month pre-Halloween snow
- Stay on top of the ALERTS in your area
WATCH BELOW: WHERE TO EXPECT LINGERING SHOWERS THURSDAY
After being awoken by downpours and the crackle of thunder in the southwest and GTA Wednesday, by Thursday morning it will be eastern Ontario that wakes to the showers, having begun overnight. Those rains will be the last effects of the system that produced them, which at that point will be largely over southern Quebec.
To the southwest, cool air blowing over the relatively warmer Lake Huron and Georgian Bay will trigger some lake-effect showers, though not too heavy compared to Wednesday morning's deluge.
Back in eastern Ontario, though this system will taper through the morning, more moisture will roll in through the course of the day. This will be due to the indirect effects of another low-pressure nor'easter system tracking gradually up the northeastern U.S., which will eventually have some impact on Atlantic Canada: