Rainfall warning issued for Ottawa, eastern Ontario

Heading out Sunday? Prepare to be drenched.

Environment Canada has issued a rainfall warning for a vast stretchof eastern Ontario one that coversOttawa, Kingston, Cornwall, Belleville, and many other communities.

The rain is expected to arrive tomorrow and continue into the evening, with between 30 and 40 millimetres falling in some places.

• Saturday will be great. Sunday? Not as much

Flooding is possible in low-lying areas, the weather agency says. The still-frozen ground could also have a difficult time absorbing both the rain and melting snow.

There's also a chance of rain Monday, but skies should clear across the region by Tuesday.