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Ontario: Typhoon Hagibis will play a role in the big pattern change coming

Friday, October 11th 2019, 8:38 pm - Some brief hiccups in the Thanksgiving long weekend weather ahead of an extended period of below normal temperatures thanks to influence from Typhoon Hagibis.

The Thanksgiving weekend is upon us as many southern Ontarians are eager to start the first long weekend of the fall season. While the stretch of gorgeous fall weather lingers into the start of the holiday, a brief hiccup on Saturday could leave some adjusting any outdoor plans. More on the timing of the rain, plus a look at how Typhoon Hagibis will keep things cool for the remainder of the month, below.

Visit our Complete Guide to Fall 2019 for an in-depth look at the Fall Forecast, tips to plan for it and a sneak peek at the winter ahead


WEATHER HIGHLIGHTS:

  • Cold front will cross the south Saturday morning, temporarily halting the sunny weather
  • Changeable pattern expected to continue through mid to late October
  • Stay aware of ALERTS in your area

RAIN PUSHES INTO THE SOUTH SATURDAY

The streak of sunny days in the south will briefly come to an end on Saturday, as a front crosses the region through the morning hours. This will bring a few hours of rain into the early afternoon before reaching southern Quebec in the evening and overnight hours. Temperatures will drop, particularly in the southwest, where Windsor is expected to only hit a daytime high of 12°C.

ONSaturday

The unsettled weather will be shortlived, however as sunshine is poised to return by Sunday, along with a brisk wind and bump in temperatures back to the mid-teens. Similar conditions are expected for the holiday Monday.

IMPORTANT: SIGNIFICANT ROAD CLOSURES COULD IMPACT TRAVEL PLANS THIS WEEKEND

INFLUENCE FROM TYPHOON HAGIBIS

Enjoy the pleasant temperatures while you can, as a significant shot of chilly weather is expected to move in towards the middle to end of next week.

"This will bring periods of rain followed by several days of chilly weather with high temperatures struggling to reach the lower teens Wednesday through Friday," says Weather Network meteorologist Dr. Doug Gillham. "It looks like the final week of October will bring an extended period of colder than normal temperatures to the Great Lakes region."

pattern teleconnections

This change in the weather pattern is due in part to the track of Typhoon Hagibis, which will move across Japan and near Tokyo over this weekend.

While Hagibis will not make the trip all the way across the Pacific to Canada, it will still have a significant impact on our national weather pattern later next week.

"When a typhoon takes a track near or just east of Japan, typically the dip in the jet stream brings colder weather into the Great Lakes region," Gillham explains. "When the track is further to the west -- into Korea or China -- the dip in the jet stream will be further to the west with a colder pattern for western Canada and a warmer pattern for the eastern half of the country."

Stay tuned to The Weather Network for the latest updates.

WATCH BELOW: HOW COULD A STORM ON THE OTHER SIDE OF THE GLOBE IMPACT CANADA'S WEATHER?

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