Weather Forecasts, Road Conditions, and Weather Radar for Chicago to St. Louis

Current & 7-day weather forecast, road conditions, and weather radar from Chicago, IL, to St. Louis, MO.
All times shown in your local timezone

Share on Facebook
Share on Twitter
Share on Reddit
Share on LinkedIn

Weather Radar for Chicago to St. Louis

Loading map...

Customize your route with the free app

Highway Weather App
Download Highway Weather
road trip weather planning app
Get Highway Weather on the App Store
Get Highway Weather on Google Play

... including targeted forecasts at the time of your arrival to each point!

Road Trip and Weather Conditions from Chicago to St. Louis

Major Junctions from Chicago to St. Louis

In Illinois:

  • The route south begins by taking I-55 S from Chicago, Illinois.
  • The route has major junctions at I-39 and I-74 in Normal, Illinois.
  • The route has a major junction at I-74 in Bloomington, Illinois.
  • The route has a major junction at I-72 in Springfield, Illinois.
  • The route has a major junction at I-155 in Lincoln, Illinois.
  • The route has a major junction at I-70 near Troy, Illinois.
  • The route has a major junction at I-255 near Collinsville, Illinois.

In Missouri:

  • The route has a major junction at I-44 in St. Louis, Missouri.
  • The route east begins by taking I-55 N from St. Louis, Missouri.

Related Chicago Weather Maps

This map shows the current & 7-day weather forecast, road conditions, and weather radar from Chicago to St. Louis.