DriveWindow route answer
What weather should I check between Toronto and Montreal?
Check lake-effect snow near eastern Ontario, freezing rain, fog and low visibility along the corridor along the full Highway 401 and Autoroute 20 corridor. Winter and shoulder seasons can produce changing precipitation types between Ontario and Quebec. Refresh the forecast close to departure and verify official road information.
Updated
Route facts
Toronto → Montreal
- Distance
- 540 km
- Typical drive
- 5.5 hours
- Planning baseline
- Late morning
- Main weather risks
- lake-effect snow near eastern Ontario · freezing rain · fog and low visibility along the corridor
What to check before leaving
Winter and shoulder seasons can produce changing precipitation types between Ontario and Quebec. Key weather factors: lake-effect snow near eastern Ontario, freezing rain, fog and low visibility along the corridor.
- lake-effect snow near eastern Ontario
- freezing rain
- fog and low visibility along the corridor
Route-specific planning
Where conditions can change on this drive
Representative forecast points
Toronto · Kingston · Montreal
Watch conditions most closely around
Highway 401 between Kingston and Cornwall
Official road-condition sources