The Grand River Conservation Authority says more than 100 mm of rain fell over the watershed between 3am and 5am Friday morning.
There are multiple flood warnings in effect.
For the Town of Grand Valley, Hwy. 25 through the town and portions of Grand Valley are currently flooded, with multiple road closures. Flooding through Grand Valley is expected to be similar to flooding that occurred in December 2008. Levels through Grand Valley area expected to peak Friday morning, dependent on whether additional rainfall occurs.
For the Township of Mapleton and Village of Drayton, flood coordinators are asked to warn residents in the level 3 flood area. Levels through Drayton are expected to peak early Friday afternoon.
In the Township of Centre Wellington and Elora, flood coordinators in Centre Wellington are asked to warn boardwalk shop owners. Expect flooding of the boardwalk shops though Elora on Friday afternoon. Flows through Elora are expected to peak later today and remain high through the weekend.
For Township of Woolwich including Elmira, St. Jacobs and West Montrose, flood co-ordinators are requested to close the Three Bridges Rd. bridge upstream of St. Jacobs, and it should be expected that this bridge will remain closed through the weekend. Township staff are also asked to monitor Glasglow St. as flow may approach the capacity of that road later Friday. Flows on the Conestogo River are expected to peak later Friday afternoon or early evening and remain high through the weekend.
The trailer park in West Montrose will be flooded early Friday afternoon; the trailer park operator has been advised.
Flows will be high along the Canagagigue Creek through the Town of Elmira, however, no flooding of structures is anticipated at this time. Flooding can be expected in the municipal park downstream of Arthur St., municipal staff are asked to monitor and close this park as necessary.
Woolwich Township flood coordinators are asked to warn the Conestogo Golf course; the golf course may need to raise their pedestrian bridges that span the Grand River.
And City of Kitchener flood coordinators are asked to warn Bingeman Trailer Park as levels are expected to exceed flooding thresholds later Friday evening through the park.