Flood warnings were issued Tuesday for parts of the Grand River watershed.
The Grand River Conservation Authority said some areas received between 25 and 35 millimetres of rain over a 24 hour period. That, combined with snow and ice melt, caused high and fast moving flows.
Warnings were issued for New Hamburg and the Drayton fairgrounds.
Some areas had to shut down roads due to high water levels, including the Gilkinson Street in Brantford, Lisbon Road in Wellesley, and the low level bridge near St. Jacobs.
Part of the problem is big blocks of ice which have created jams all along the river.
“We’re certainly seeing a lot more ice than we would normally this time of year and stronger ice as well,” said GRCA spokesperson Cam Linwood.
The GRCA said a flood watch remains in place for the entire watershed.
Temperatures in southern Ontario are expected drop below freezing by Tuesday Evening, reducing snow and ice melt to the river.
However flows are expected to remain high for several days.