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Another rainfall warning in effect for the GTHA

The latest rainfall warning will bring to 70 mm of rain to our area. Brendon Thorne/Getty Images/File

Hamilton, Burlington, Niagara and the Greater Toronto Area are under another rainfall warning.

Heavy rain is expected, bringing as much as 70 millimetres of rain between this afternoon and Saturday.

Local conservation authorities say there’s the potential for local flooding because the ground is already saturated from recent storms.

Global News chief meteorologist Anthony Farnell says commuters will definitely want to give themselves some extra space on the roads.

He adds there is definitely a concern for flooding.

But Farnell says he is “not that worried about flash flooding like we saw in Dundas and some other areas last week” because the rain will fall over a longer period of time.

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He says “river levels will continue to climb through Friday and into Saturday.”

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Farnell says southern Ontario typically receives between 70 to 90 millimetres of rain for the entire month of May, and “we’re getting that in about two days.”

Citing safety concerns, the City of Hamilton is closing York Road between Valley Road and Old Guelph Road in Dundas immediately following Thursday evening’s commute.

York Road will be completely closed to through traffic about 1.5 km west of Highway 6 while crews assess the condition of a damaged culvert and embankment that could be a potential hazard during the latest rainfall warning.

Signs marking an appropriate detour route will be installed in the area Friday morning.

Officials say the expected length of the closure is unknown.

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