If you’re not liking this spell of heat and humidity, there is relief coming. Sault Ste. Marie and the Algoma district, in fact, most of Ontario is currently under a heat warning with temperatures reaching 31c in the north and 34c in the southern parts. The humidity is making feel closer to 42c .
The warm conditions will continue overnight tonight and for part of Wednesday before a cold front slides in Wednesday afternoon. Behind the front is much cooler airmass – dropping temperatures at least 15 degrees.
A North West wind will also help push the humidity out of the area.
Satellite image shows an active cold front tracking east toward the Great Lakes. The heat dome is gradually breaking down over the Great Lakes region.
The same cold front however will produce showers and possible thunderstorms late Wednesday into Wednesday night / Thursday morning.
Despite the hot temperatures, Sault Ste., Marie has not broken any heat records – at least yet. The hottest temperature reached in the Sault on this date was in 1948 when the thermometer reached 31.7c The Sault matched a record temperature for September 4th. The record was again in 1948 with a temperature of 30.6c
Normal temperatures for this time of year should be 20.1c
The forecast for the rest of September is trending slightly above seasonal for temperatures. Below normal temperatures are expected Thursday through Saturday this week.