I-55 Weather Conditions and Forecasts

2026-07-24 Roadnow

I-55 Wednesday 2026-07-29 weather conditions

• detailI-55 Illinois: Sunny, 73°F
• detailI-55 Missouri: Mostly Sunny, 77°F
• detailI-55 Arkansas: Partly Cloudy, 77°F
• detailI-55 Tennessee: Partly Cloudy, 79°F
• detailI-55 Mississippi: Partly Cloudy, 77°F
• detailI-55 Louisiana: Hot, 81°F

I-55 7 day weather forecast