I-55 Weather Conditions and Forecasts

2026-05-19 Roadnow

I-55 current weather conditions

• detailI-55 Illinois: Overcast, 67°F
• detailI-55 Missouri: Overcast, 79°F
• detailI-55 Arkansas: Overcast, 79°F
• detailI-55 Tennessee: Mostly Cloudy, 82°F
• detailI-55 Mississippi: Partly Cloudy, 86°F
• detailI-55 Louisiana: A Few Clouds, 82°F

I-55 7 day weather forecast