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Heavy rain, up to 70 mm expected in northern Ontario by Monday as flood warnings continue

Environment Canada issued another weather alerts Sunday for communities across northeastern Ontario with rain up to 70 millimetres in some areas. Here is what you need to know.

Periods of rain or scattered showers continue into Sunday afternoon and are expected to get heavier in late afternoon.

The heavy rain will continue into Monday.

These communities are expected to get 25 - 50 mm of rain by May 1:

  • Chapleau Gogama
  • Kapuskasing – Hearst
  • Timmins – Cochrane – Iroquois Falls

30 - 50 mm:

  • Blind River – Thessalon
  • Elliot Lake – Ranger Lake
  • Kirkland Lake – Englehart
  • Manitoulin Island

40 - 70 mm:

  • Greater Sudbury and vicinity
  • North Bay - West Nipissing
  • Parry Sound - Muskoka
  • South River - Burk's Falls
  • Temiskaming Shores – Temagami

"Multi-day rainfall totals of 40 to 70 mm could worsen the situation for sensitive areas," Environment Canada said.

"Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to"


View the Ontario flood map here.

Find information on what to do before, during and after a flood here.


A flood watch for the lower Vermillion River, west of Panache Lake Road, that was issued April 24 is in effect until Monday at 10 a.m.

"Though most of the snowpack within Greater Sudbury has melted over the past two weeks, the flows in the upper reaches of the Vermilion and Onaping Rivers are still elevated. If the forecast rainfall is received it will impact the runoff situation and some of the low-lying roads in the Whitefish area may be inundated again," Conservation Sudbury said in the flood watch.

"Properties adjacent to the lower Vermilion River (west of Panache Lake Road), are at a higher risk of flooding and occupants should be prepared."

A water safety message is in effect for all remaining watercourses within the Greater Sudbury watersheds as well.

The Ministry of Natural Resources and Forestry extended the watershed conditions statement – flood outlook for the French River until May 5.


Flood watches have been issued for Albany River and Moose River until May 5.

"Residents in the Fort Albany and Kashechewan should keep a close watch on river conditions. Residents in the Town of Moosonee and Moose Factory Island should keep a close watch on river conditions as ice break up is occurring within the Moose River," MNRF said.

"The MNRF and Mushkegowuk Council EMS is closely monitoring the weather and developing watershed conditions. Further updates will be issued as appropriate."

Flood Outlook is in effect for the Attawapiskat River until May 5.


Flood warnings were issued April 28 for several communities in the North Bay District:

Mattawa River subwatershed, including the Town of Mattawa, in effect until May 3

Upper Ottawa River area communities – Temiskaming Shores south to Papineau – Cameron until May 2

Tilden Lake area, including Gladman, Lyman and Notman townships until May 2

Meanwhile a flood watch is in effect for all other areas within the North Bay – Mattawa Conservation Authority watershed and a flood outlook for the Lake Nipissing shoreline. These are in effect until May 3 at 5 p.m.


The Sault Ste. Marie Region Conservation Authority issued a water safety statement for the city and Prince Township until May 3.


A flood outlook was extended for Porcupine Lake and river by the Mattagami Region Conservation Authority. Watershed conditions statement: water safety has also been extended in the area has also been extended. In effect until May 5.

The Ministry of Natural Resources and Forestry said the Chapleau Wawa District is under flood watch until May 1. Top Stories

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