I-55 Weather Conditions and Forecasts

2026-07-21 Roadnow

I-55 current weather conditions

• detailI-55 Illinois: Fair, 81°F
• detailI-55 Missouri: A Few Clouds, 88°F
• detailI-55 Arkansas: Fair, 88°F
• detailI-55 Tennessee: Mostly Cloudy, 93°F
• detailI-55 Mississippi: Partly Cloudy, 94°F
• detailI-55 Louisiana: Fair, 86°F

I-55 7 day weather forecast