The Ministry of Natural Resources and Forestry has issued a Flood Watch for the Kenora District.
Although Dryden has missed a brunt of the recent weather activity, five-day totals from Sunday to Thursday may exceed 150-millimetres with some areas exceeding 200-millimetres of rain.
Some areas have already witnessed over 100-millimetres of rain.
Motorists may experience localized flooding or washouts on rural and bush roads and caution is urged by the province and Dryden Forest Management.
The Flood Watch is in effect until Friday.