Monday’s 96-degree high temperature missed the record by one degree, and marked the warmest August 26 ^th here in 51 years, since a 97-degree high temperature in 1973.

Monday’s temps: How much above normal?

The heat was accompanied by abundant sunshine and dangerous heat indices.

Chicago not alone, much of the Midwest sweltered in the late season heat wave…

Monday’s Chicago heat

Dangerous heat/humidity combination to continue through Tuesday evening.

The hottest day of the current heat wave is ahead Tuesday!

Tuesday afternoon temperature snapshot: Record or near record breaking heat likely before potentially strong or severe thunderstorms arrive and bring heat relief to the area.

( Tuesday, August 27 current record high is 97-degrees set in 1973 )

FORECAST HEAT INDEX TUESDAY

Dangerous heat indices expected Tuesday before thunderstorms arrive and bring relief from the heat late/Tuesday night.

209+ million U.S. residents scorching heat at or above 90 degrees.

10 million U.S. residents searing 100+ degree heat…

Key Heat messages—precautions and warning signs.

Air Pollution Action Day declared by Illinois EPA Tuesday

Dangerous heat continues over the Midwest before building into the Mid-Atlantic and Southeast by mid-week. High heat indices of 100-115 and low temperatures in the mid-70s will bring a heightened risk of heat-related illness.

Heat relief arrives as September gets underway

Forecast temperature anomaly through August 30

Forecast temperature anomaly August 31 through September 4

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