This year’s hottest weather is forecasted this week with 90-plus temperatures and heat indices in the triple digits, growing more widespread in coming days.
It’s expected to be Chicago’s longest string of 90-degree days in the more than 11 months since August 1-4 last summer.
Meanwhile, 50,000-foot tall thunderstorms continue to roam sections of the Chicago area.
The WeatherBug rain gauge at St. Mary Star of the Sea School in Chicago reports 3.83 inches of rain. Thunderstorm outflows and lake breezes tempered the heat Monday but dew points surged to the 70s.
Light winds could mean mean quality issues at as this week proceeds. Stronger southwest winds are locked in Wednesday and Thusday overcoming lake cooling and pushing heat right up to the lakefront.