The National Weather Service has issued a Flash Flood warning for east-central Allegheny County and west-central Westmoreland County until 8:15 p.m.
It will be warm and very muggy with pockets of rain and isolated thunder this afternoon through early evening, especially for areas around Pittsburgh and points south. Slow-moving rain could produce localized flooding, so make sure to stay weather aware. It will be muggy with dense fog overnight, and lows will be in the upper 60s to around 70 degrees.
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Monday morning will start with fog, then clouds will break for more sunshine. Warmer highs will rise to the upper 80s with the heat index around 90-92 degrees…