Marion, Ohio, weather: Hot start to September, storm chances return Thursday

MARION, OH (MARION COUNTY NOW)—Hot and mostly dry conditions are expected across Marion County to begin the week, with temperatures rising from the upper 80s Monday into the lower 90s Tuesday and Wednesday. Shower and thunderstorm chances increase Thursday, with cooler conditions expected Friday.

According to the National Weather Service, Marion will remain humid through the first part of the week, with heat index values reaching the upper 90s Tuesday and up to 100 degrees Wednesday afternoon. The NWS forecast calls for a 50% chance of showers and thunderstorms Thursday afternoon and a 30% chance of showers and thunderstorms Friday morning.

Marion forecast

Here’s the day-by-day outlook:

Monday: Partly cloudy and humid, with a high near 90 degrees. Southwest winds 5 to 10 mph.

Monday night: Partly cloudy and humid, with a low in the lower 70s. Southwest winds 5 to 10 mph.

Tuesday: Partly cloudy and hot, with a high in the lower 90s. Southwest winds 5 to 10 mph, with gusts up to 20 mph. Heat index values will reach the upper 90s in the afternoon.

Tuesday night: Partly cloudy, with a low in the lower 70s. Wind details are not specified in the current NWS zone forecast.

Wednesday: Mostly sunny and hot, with a high in the lower 90s. Heat index values could reach 100 degrees in the afternoon.

Wednesday night: Mostly clear, with a low in the lower 70s. Heat index values may remain in the upper 90s early in the evening.

Thursday: Mostly sunny in the morning, becoming partly sunny with a 50% chance of showers and thunderstorms in the afternoon. The high will be around 90 degrees, with heat index values in the upper 90s.

Thursday night: Mostly cloudy, with a 50% chance of showers and thunderstorms and a low in the upper 60s.

Friday: Partly cloudy, with a 30% chance of showers and thunderstorms in the morning and a high in the mid-80s.

Tips: With heat and humidity building through Wednesday, residents should stay hydrated, take breaks from prolonged outdoor activity and seek air conditioning when needed. Keep an eye on the forecast Thursday and Friday, particularly if spending time outdoors, and move indoors when thunderstorms approach.