A warm front lifting through the Lehigh Valley region Wednesday will bring precipitation, with afternoon storms posing a risk for heavy rain and flash flooding.
The National Weather Service has placed the area under a Marginal Risk (level 1 out of 4) for excessive rain as thunderstorms could produce localized rainfall totals exceeding an inch.
Morning showers may develop as the warm front passes, then conditions will briefly improve before afternoon and evening thunderstorms develop…