Marion County, Ohio, is forecast to see a warm start to the week followed by unsettled conditions and a pronounced cool-down, according to the National Weather Service as reported by Marion County Now.
The forecast called for possible patchy fog early Monday before clearing; that window had passed by the time of this draft. Monday's high was about 81 degrees with south winds of 5 to 10 mph. Monday night is forecast to be mostly clear with a low near 64 degrees. Tuesday is expected to be sunny and summerlike, with a high near 86 degrees; southwest winds could increase to 13 to 16 mph and gust as high as 26 mph. Tuesday night may turn cloudier, with a 30% chance of showers or thunderstorms toward morning and a low around 64 degrees.
Wednesday carries a 70% chance of rain and possible thunderstorms, especially in the morning. The high should be near 79 degrees with west winds of 3 to 8 mph. Wednesday night may stay mostly cloudy with a 50% chance of showers and a low near 57 degrees. Thursday could bring a limited break before showers become more likely in the afternoon; the high is forecast near 72 degrees, and Thursday night has a 70% chance of showers with a low near 55 degrees.
A strong cold front is expected Friday, bringing cooler air, mostly cloudy skies and a 30% chance of showers before 2 p.m. The high may reach about 63 degrees with breezy conditions. Friday night could see a sharp drop to a low near 36 degrees.
Residents are advised to monitor National Weather Service alerts Tuesday night and Wednesday, move indoors if thunder is heard, allow extra time for travel because of fog or slick roads, dress in layers, and secure loose outdoor items before stronger late-week winds.