Here’s a look back at what happened in the Chicago area on Jan. 30, according to the Tribune’s archives. Is an important ...

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.

Heavy rainfall expected to move into the Chicago area Friday could raise area river levels, prompting a warning to conserve water from the Metropolitan Water Reclamation District of Greater Chicago.

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

Chicago is experiencing unseasonably mild temperatures, with a 10.7-degree Fahrenheit deviation from the five-year historical ...

While temperatures are expected in the low 50s Thursday, National Weather Service officials cautioned a storm system on the horizon could possibly create localized ice jam flooding on rivers.

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

The National Weather Service issued two advisories from 6 p.m. Sunday to noon Monday, and from 9 p.m. Monday to noon Tuesday.

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.

Trainings for Illinois residents looking to join the National Weather Service's severe storm spotter program will be held ...

Prepare for an Arctic blast as Chicago faces bitter cold overnight, with temperatures plummeting near zero and wind chills ...