Possible Fall Wind Storm on Saturday Across Southern Ontario With Gusts Up to 95km/h and the Risk of Thunderstorms
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It has been a strange start to November across Southern Ontario which is about to continue into the first weekend of this month. The weather story of the month so far has been the spooky fog that has set in since Halloween night. Most areas have seen the fog burn off throughout the day on Friday and current data indicates that it should stay that way. It’s possible we see some isolated fog patches overnight into Saturday morning especially near the shorelines as the fog blows in off the lakes, but it won’t be as thick or widespread as we have seen the last few nights.
The retreat of the fog will allow many areas to finally take full advantage of daylight heating from the sun bringing temperatures well into the double digits and potentially even low 20s for some locations. As we are already into November, these temperatures could come close to breaking records this weekend. These unseasonably warm temperatures are expected to continue on Sunday and Monday with daytime highs hitting double digits, but won’t be as warm as Saturday.
However, there is a catch with this warm weather as we are expecting some rain to slide into Southern Ontario by late Saturday and continue into early Sunday. It won’t be particularly heavy with total accumulation ranging from 5-10mm for Southern Ontario. Heavier rain will be found throughout Northeastern Ontario where totals could range from 30-60mm and as a result, Environment Canada has issued a rainfall warning for the affected regions.
The bigger threat this weekend will be the potential wind storm across Southern Ontario bringing gusts of up to 80-95km/h starting Saturday afternoon and lasting into early Sunday. Current data suggest that the strongest wind gusts will be found along the Lake Huron and Georgian Bay shoreline with maximum gusts of 85-95km/h. This could lead to some minor wind damage and even some sporadic power outages. The rest of Southern Ontario will see wind gusts ranging from 70-90km/h.
Something also quite rare for November may occur this weekend which is the risk of an isolated thunderstorm as a line of heavy rain sweeps across the region late Saturday and into the overnight hours. As a result, some locations may experience slightly higher wind gusts within the thunderstorms compared to what we’re forecasting. We can’t rule out an isolated 100+km/h wind gust somewhere in Southwestern Ontario.
The good news is that the active weather is expected to clear out quite fast. We should see the rain and wind come to an end early Sunday morning with another nice day ahead. Looking towards the next week, we expect to see a cool down by the middle of the week with overnight lows dipping to near the freezing mark, but there isn’t much precipitation in the near future.
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