The season's warmest weather, so far, arrives for the weekend in Illiana. Temps will reach the 90s with a heat index near 96-98 today (Friday) and Saturday.

Health officials advise the public to take precaution; protect yourself from the extreme heat and check on elders.

Increasing humidity will result in heat index values rising to near 100 both days.

Sunday's high temperature is expected to reach near 90, with heat index values in the low 90s. By Wednesday of next week daytime highs are expected to be in the mid-80s.

94.1 WGFA