While Groundhog Day remains a fun tradition, meteorologists rely on data and computer models for more accurate forecasts.

The National Weather Service has issued a flood watch until 3 p.m. Friday for several northern Illinois counties. Heavy rains could cause some localized flooding.

More than 17 million people from eastern Texas to the lower Mississippi Valley are facing severe thunderstorms and possible tornadoes. Dallas, Texas has already faced flooding.

During the morning hours, the Federal Aviation Administration warned that ground stops at both O'Hare and Midway International Airports were possible due to weather conditions.

The heavy rainfall, estimated between 2 to 4 inches, could lead to excessive runoff, causing flooding of rivers, creeks, and ...

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See how the groundhog became a symbol for predicting seasonal changes in America, rooted in German folklore with a badger — ...

Heavy rain combined with frozen soils has prompted a flood advisory for parts of north central and northeast Illinois, ...

Heavy rain and rumbles of thunder were expected throughout the Friday morning commute, the NBC 5 Storm Team said, with some slick spots expected and low visibility due to fog.

There is a risk of flooding and sewer backups Friday morning across the Chicago area as heavy rain will run off from frozen ...

Heavy rain and dense fog in the Chicago area today may cause flooding due to frozen ground, but conditions will improve by evening, with a mild and warmer weekend ahead.