I-55 Weather Conditions and Forecasts

2026-09-25 Roadnow

I-55 Saturday 2026-09-26 weather conditions

• detailI-55 Illinois: Mostly Sunny, 71°F
• detailI-55 Missouri: Partly Sunny, 78°F
• detailI-55 Arkansas: Mostly Cloudy, 81°F
• detailI-55 Tennessee: Partly Cloudy, 86°F
• detailI-55 Mississippi: Increasing Clouds, 92°F
• detailI-55 Louisiana: Increasing Clouds, 90°F

I-55 7 day weather forecast