National Weather Service (NWS) meteorologists issued urgent flash flood warnings for nearly 1 million people in Louisville, Kentucky, and surrounding areas on Tuesday after the region saw more than a month's worth of rain in only a few hours.

A NEXT Weather Alert is in effect for Wednesday in the Philadelphia region due to rain that will hit the area in the morning.

Hurricane Priscilla is lashing western Mexico with heavy rain, strong winds, and rough surf. The National Hurricane Center says a tropical storm watch has been issued for Baja California Sur from Cabo San Lucas to Cabo San Lazaro.

Seven states in the Mid-South and Lower Ohio Valley faced the risk of heavy rain and floods to start the week.

Rain arrives Tuesday night as a cold front pushes through the region. Expect widespread showers and a few rumbles of thunder overnight, but no severe weather. Rain continues into Wednesday and wraps up by the evening as the front moves offshore.

Massachusetts residents can expect cooler temperatures going into the weekend this week following a bout of heavy rain.

Forecasters expect moisture from the far-off hurricane to move inland through the West this week. Here’s where it could bring flooding.

A strong cold front will bring increasing clouds, scattered to widespread rain, and ultimately very cool, autumn air back into New England starting tonight.