At 6:17 p.m. Central Standard Time Saturday, Environment Canada has issued a tornado warning for West Central Saskatchewan. Extra care and attention should be exercised in and around the following localities: Marsden, Neilburg, Senlac, Unity, Cut Knife and Sweet Grass Reserve. Environment Canada meteorologists are tracking a severe thunderstorm that is possibly producing a tornado. Damaging winds, large hail and locally intense rainfall are also possible.