Forecast: 90 degree heat likely through Thursday

CLEVELAND - 10:15 pm Update: Hot but new record highs not likely on Wednesday. High temperatures Wednesday will climb into the lower and middle 90s, but current record highs for the day will be hard to beat. Records temperatures for June 20th: Cleveland: 96 degrees in 1988; Akron/Canton: 95 in 1933; Mansfield: 94 in 1988. Temps tomorrow will likely fall a degree or two shy of records.

9:21 pm Update:  Skies will remain mostly clear overnight. Lows tonight will range from the near 70 degrees inland to lower and middle 70s in and around the big cities.

More heat moves in on Wednesday. Hazy sunshine will dominate as high pressure hangs over the Ohio Valley and Lower Great Lakes. Temperatures will soar back into the lower and middle 90s during the afternoon with heat indexes closer to 100 degrees! Find a way to stay cool.

A cold front approaches the area from the west on Thursday afternoon. Scattered clouds will become more prominent during the day. A few isolated thunderstorms are possible by late afternoon. Highs will climb back up into the lower 90s for highs.

4:00 pm Temperatures: 91 in Cleveland. 91 in Elyria, Canton, Burton, & Mentor. 90 degrees in Sandusky, Norwalk.

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I'm Meteorologist Jason Nicholas continuing our weather web coverage today.  For more weather updates, follow me on Twitter @ JasonNweather.

Temps are already climbing into the middle and upper 80s this afternoon. 90 or better is likely through the day. 92 is the record high for Cleveland set back in1995.

There is a slight chance of an isolated storm in the afternoon both today and tomorrow under this humid, moist, and warm atmosphere. Any storm that forms will bring heavy rains and move slowly.

With strong June sunshine, highs will soar to the low 90s this afternoon. Humidity will be uncomfortably high and I can't rule out an isolated thunderstorm east of Cleveland this evening.

Cleveland could tie or break a record high today. 92 degrees is the number to beat. All other cities have a record high of 94 today, but I don't think those records are in jeopardy.

We don't get much temperature relief overnight, as lows only drop to 70 degrees.

Hazy June sunshine will continue for the first day of summer. Expect highs to hit the low 90s again Wednesday.

An approaching cold front will trigger scattered showers and thunderstorms Thursday evening. Behind the front, temperatures drop to 80 degrees Friday with much lower humidity.

Saturday will be pleasant and comfortable with highs in the low 80s.

A cold front will drop across the Great Lakes Sunday, producing a few showers and thunderstorms. Much cooler air arrives just in time for next week. Highs will hit the upper 70s!