I-55 Weather Conditions and Forecasts

2026-05-19 Roadnow

I-55 Today 2026-05-19 weather conditions

• detailI-55 Illinois: Chance T-storms, 76°F
• detailI-55 Missouri: Mostly Clear, 81°F
• detailI-55 Arkansas: Showers Likely and Breezy, 89°F
• detailI-55 Tennessee: Showers Likely, 89°F
• detailI-55 Mississippi: Mostly Cloudy, 90°F
• detailI-55 Louisiana: , 87°F

I-55 7 day weather forecast