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

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

• Local Chicago Weather
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• Chicago to Des Moines
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• New York to Chicago

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