NWS extends heat warning; air quality warning issued

A heat warning from the National Weather Service in Wilmington has been extended through Saturday.

The counties under observation are Hamilton, Clermont, Butler and Warren in Ohio, as well as Campbell, Kenton and Boone counties in Kentucky and Dearborn, Franklin, Switzerland and Ohio counties in Indiana.

According to the National Weather Service, expect an extended period of dangerous heat with heat index values around 90 degrees. Highs between 95 and 97 degrees will be complemented by lows around 70 degrees, making for a warm and muggy night.

Highs on Friday will be above 35 degrees, with afternoon dew points generally between 18 and 20 degrees. This results in heat index values that are only two to three degrees above the actual air temperature.

The hot and humid weather will continue until Sunday, until a cold front moves through the region and provides brief relief from the heat.

The weather service advises being especially cautious outdoors, as hot temperatures and high humidity can cause heat-related illnesses. Wear light, loose-fitting clothing and limit strenuous activities to the early morning and evening hours. Also drink plenty of fluids, stay in an air-conditioned room, avoid the sun and check on relatives and neighbors.

Take action if you notice symptoms of heat exhaustion or heat stroke.

The Southwest Ohio Air Quality Agency has also issued an air quality warning through Thursday night.

The warning applies to Butler, Clermont, Clinton, Hamilton and Warren counties in Ohio, Boone, Campbell and Kenton counties in Kentucky and Dearborn County in Indiana.

According to the National Air Quality Index, ozone levels are expected to reach 110, which is the orange level. This level is considered unhealthy for sensitive groups, especially young children, the elderly and people with respiratory diseases.

The population is asked to limit physical exertion outdoors, especially sensitive groups.

What should you do if you receive an air quality warning?

Take the bus, carpool, or walk instead of driving.
Refuel your vehicle after 6:00 p.m. Do not refill while refueling and close the fuel tank cap tightly.
Do not let your vehicle idle.
Combine trips or avoid unnecessary trips.
Keep your vehicle in good condition with properly inflated tires and timely oil changes.
Avoid using petrol-powered equipment.
Avoid using oil-based paints and stains.
Never burn leaves or other garden waste.
Burn clean, seasoned wood in outdoor fire pits, fireplaces and wood stoves.
Avoid using fire pits or fireplaces for non-essential heating purposes in the house.
Save electricity.

Detailed 7-day weather forecast for Cincinnati

Thursday: Before 9 a.m. there will be some fog in places. Otherwise it will be mostly sunny with highs around 96 degrees. Heat index values up to 102 degrees. No wind.

Thursday night: Partly cloudy, low around 74. Calm wind.

Friday: Before 8 a.m. there was some fog in places. Otherwise it was mostly sunny and hot with highs around 98 degrees. Heat index values up to 102 degrees. No wind.

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