Most of the Ottawa-Gatineau region is expected to see its first significant freezing rainfall of the season Monday night and Tuesday morning.
Environment Canada issued a freezing rain warning for communities between Gatineau and Gracefield, Que., on Monday morning. Freezing rain could fall for several hours starting Tuesday morning into early afternoon.
On Monday afternoon, the weather agency issued two more warnings covering the Ontario side of the Ottawa River, upgrading earlier weather statements.
Freezing rain is now expected to hit a swath stretching roughly from Hawkesbury to Renfrew overnight, changing to rain by Tuesday morning.
In most of Renfrew County, a few millimetres of freezing rain is expected overnight, followed by a few centimetres of snow.
A sliver of the region along the St. Lawrence River from Brockville going east got its own special weather statement early Monday afternoon about the possibility of freezing rain and the idea the ground is too warm for it to stick much.
Ottawa’s forecasted overnight low is –1 C. Tuesday’s high is expected to be 6 C.
There’s a slight chance of flurries each day for the rest of the week. The Ottawa International Airport reported a trace of snow on Oct. 27, but none has stuck around in the capital.
The current forecast for Maniwaki, Que., calls for a mix of snow, rain and freezing rain starting early Tuesday. The Kingston, Ont., area is expecting rain overnight.