This is no trick or treat. Sault Ste. Marie could see it’s first snow accumulation Thursday as temperatures nose dive with a northerly wind flow that could mean some lake effect flurries mixed with cold rain showers.
Temperatures will actually rise over the next day. Wednesday should see highs around plus 12, By Thursday the daytime high will struggle to reach plus 5 and drop to -3 by Friday morning. Scattered rain showers will turn into snow flurries Friday morning. Friday and for Halloween night, expect a chilly night of trick or treating.
Cooler air remains in the forecast for the weekend before rebounding slightly for next week. Expect a shot of arctic air coming down by the second week in November. Normals for this time of year have daytime highs around plus 8 and overnight lows of 0.