A warm and increasingly humid air mass will settle over the Lehigh Valley through Wednesday, with temperatures climbing into the upper 80s and potentially low 90s and increasing chances for scattered thunderstorms.

The National Weather Service forecast indicates temperatures will remain consistently warm, with highs reaching 87 to 90 degrees on Tuesday and Wednesday.

Humidity levels will be notable, with dew points climbing into the low 70s, creating heat index values potentially approaching the low to mid 90s.

Thunderstorm chances will increase Wednesday afternoon and evening, with some potential for heavy downpours.

Precipitation amounts could be significant, with precipitable water values approaching two inches.

While no severe thunderstorm warnings are currently in place, reside

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