Conditions are improving in communities impacted by intense rains last week, though the flood issues are not yet over.

Canadian Weather | Ontario

Ontario floodwaters ease, emergency continues

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Sunday, June 25, 2017, 7:21 AM - Conditions are improving in communities impacted by intense rains last week, though the flood issues are not yet over.

The community of Harriston in the Town of Minto declared a state of emergency on Friday, and the Township of Mapleton followed suit, after severe storms dumped more than 100 mm of rain on some communities, including Mount Forest, 15 km east of Minto, (158 mm), Orangeville (128 mm) and Mildmay (137.4 mm).

In the Harriston area, Town of Minto officials said the floodwaters had receded to the Young Street area, a trailer park that had been evacuated, and the surrounding flood plain, and the river flow was expected to be closer to normal by Sunday.

"Young Street is still closed. Other local roads in Harriston are still closed pending inspections," a press release from the town said. "Public Works is inspecting roads to ensure there is no undermining before roads are fully open. Members of the public are still to exercise extreme caution. Some rural roads are not safe due to washouts and are still closed."

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VIDEO: Flash flooding blankets parts of Grand Valley, which hasn't received this much rain since 2008 #onstorm https://t.co/FHdmrOhUdN pic.twitter.com/rseylRtAMX — Orangeville Banner (@OvilleBanner) June 23, 2017

Wellington-Dufferin-Guelph Public Health has issued a boil water advisory for Harriston.

In Mapleton, the township announced Saturday that several more roads had been opened as floodwaters recede, though some closures remained in effect.

"The Township is continuing to assess road conditions and will provide updates as they become available," a release says.

The risk of thunderstorms continues for southern Ontario Sunday, though the kind of epic deluges that fell overnight Thursday into Friday don't seem as likely.

The day shouldn't be a washout, and that do see unstable weather will still be dry for most of the day.

Next week, temperatures are expected to fall below seasonal, struggling to rise above 20 C in the GTA and Montreal. Even cooler conditions are forecast for Cottage Country, but things should move back toward seasonal for the late week into the long weekend.

WATCH BELOW: Storms turn lawn into giant waterbed. See what happens when it pops.

With files from Daniel Martins, Daksha Rangan and Leeanna McLean, and Hailey Montgomery.