Heat will invade northern Ontario over the next several days

Heat will invade northern Ontario over the next several days from west to east.

Today, high temperatures are expected across portions of northwestern and far northwestern Ontario. Highs will approach 29°C and overnight lows near 18°C.

On Friday much of northern Ontario will get into the hot weather with daytime highs expected to be near 30°C with humidex values in the mid to high 30s. Overnight lows are expected to be in the high teens to low 20s.

Saturday and Sunday the heat event is expected to continue across much of northern Ontario with daytime highs near 30°C with humidex values in the mid to high 30s. Overnight lows are expected to be in the high teens to low 20s.