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.

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

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.

Chicago is experiencing unseasonably mild temperatures, with a 10.7-degree Fahrenheit deviation from the five-year historical average for January 29, 2025. While residents may welcome the warmer weather, the National Weather Service (NWS) warns that these conditions could lead to ice jam flooding as river ice thaws and breaks apart.

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

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. Current conditions at O’Hare International Airport Wednesday morning are mostly cloudy at 36 degrees.

A wind advisory and a fire weather watch were issued Monday for parts of the Chicago area, the National Weather Service said, with dry air and gusty winds of up to 50 miles-per-hour possible at times.

Trainings for Illinois residents looking to join the National Weather Service's severe storm spotter program will be held virtually for the first time this year. There will also be in-person Community Weather Preparedness training sessions.

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

While Groundhog Day remains a fun tradition, meteorologists rely on data and computer models for more accurate forecasts. This year, the National Weather Service said it's a toss-up whether Illinois will see an early spring.

Here’s a look back at what happened in the Chicago area on Jan. 30, according to the Tribune’s archives. Is an important event missing from this date? Email us. Weather records (from the National Weather Servic) High temperature: 55 degrees (1988) Low temperature: Minus 23 degrees (2019) Precipitation: 0.

Stunning satellite imagery reveals the aftermath of a deep freeze in Chicago, showcasing ice formations on Lake Michigan and snowfall across the city.