News OPP Officers Urge Snowmobilers to be Extra Cautious on Riding Trails SHARE ON: Mackenzie Read, contributor, Thursday, Mar. 9th, 2017 Snowmobilers are being warned that changing weather is causing some safety concerns on the trails. The OPP is warning riders that warmer weather has weakened the snow and ice causing it to become unpredictable. Police are encouraging you to pay close attention to trail conditions as well as avoid crossing any waterways. The OPP says you have to be very careful during late season riding.