Home › Weather › Highway 17 Bonfield Mattawa Closed Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Highway 17 between Bonfield and Mattawa is closed due to the weather conditions shown in the live forecast above, likely a combination of heavy snowfall, freezing rain, or reduced visibility that makes travel unsafe. Check the forecast for the timing of clearing before planning a detour.
Why does weather close this stretch of Highway 17?
The section of Highway 17 between Bonfield and Mattawa runs through rolling terrain near the Ottawa River, where lake-effect snow and ice pellets can accumulate quickly. Environment and Climate Change Canada issues winter storm warnings when conditions meet closure thresholds. The practical takeaway: if the live forecast above shows a winter storm warning or blizzard watch for the area, expect closures until road crews can restore safe driving surfaces.
When might the highway reopen?
Closures typically last until the precipitation stops and plows have cleared the roadway, which can take several hours after the worst weather passes. Use the live forecast above to identify when the system is expected to move east. For real-time updates, consult Ontario 511 or the Ministry of Transportation’s regional alerts.
Is Highway 17 between Bonfield and Mattawa closed right now?
The live forecast above shows current conditions. For the official closure status, check Ontario 511 or the Ministry of Transportation’s website. Closures are posted immediately when weather makes travel unsafe.
What should I do if I need to travel through this area?
Delay your trip until the live forecast shows improving conditions and the closure is lifted. If you must travel, carry an emergency kit, warm clothing, and a fully charged phone. Check weather warnings before leaving.
How can I get the most accurate forecast for this route?
Use the live forecast above, which draws from Environment and Climate Change Canada data. For hourly details, visit the Canada Scope weather hub and select the nearest town (e.g., North Bay or Mattawa).