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CLEVELAND (WJW) – Heat and humidity returns tomorrow. Highs topping out around 90. Stay cool!

There’s an air quality alert in effect Monday for most of Northeast Ohio. The advisory is for Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit counties.

Air quality levels may be unhealthy for sensitive groups, including the elderly, small children and people who have breathing problems. The alert is for ground-level ozone, which is when pollution levels have a chemical reaction to heat and sunlight, which Northeast Ohio will have plenty of Monday.

BROWN GRASS ALERT! We need rain. Unfortunately, not a lot of rain chances this week. Most areas will receive up to 0.25″ Monday night as a cold front moves through. Locally, heavy rain and thunder is possible from midnight to 6 a.m. Tuesday.

Seasonable temperatures return for much of week.

Here’s the latest 8-day forecast: