I-55 Weather Conditions and Forecasts

2026-05-19 Roadnow

I-55 current weather conditions

• detailI-55 Illinois: Overcast, 67°F
• detailI-55 Missouri: A Few Clouds, 66°F
• detailI-55 Arkansas: Fair, 74°F
• detailI-55 Tennessee: A Few Clouds, 77°F
• detailI-55 Mississippi: Overcast, 75°F
• detailI-55 Louisiana: Mostly Cloudy, 78°F

I-55 7 day weather forecast