Lincoln, IL – Unseasonably warm and dry weather will continue across central and southeast Illinois through Thursday, according to the National Weather Service in Lincoln. Afternoon highs are forecast to reach close to or above 90 degrees, with mostly sunny skies prevailing.
According to forecasters, the stretch of late-summer heat will break Friday, September 19, when scattered showers and thunderstorms are expected to develop, mainly west of Interstate 57. Rain chances range from 20 to 30 percent through the weekend, with cooler temperatures following.
Highs Friday will dip slightly into the low 80s to near 90, while Saturday and Sunday will hold in the mid-80s. Overnight lows remain mild, in the low to mid-60s.
The weather service notes that while rain is possible both Friday and Saturday nights, any storms are expected to be scattered and not widespread. Still, residents planning outdoor events or travel should keep an eye on forecasts, especially as storm chances increase into the weekend.
This stretch of warmth follows an otherwise cooler early September, with temperatures more typical of mid-summer than early fall.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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