I-55 Weather Conditions and Forecasts

2026-03-16 Roadnow

I-55 current weather conditions

• detailI-55 Illinois: Light Snow Fog/Mist, 32°F
• detailI-55 Missouri: Overcast and Windy, 37°F
• detailI-55 Arkansas: Overcast and Breezy, 40°F
• detailI-55 Tennessee: Overcast and Breezy, 41°F
• detailI-55 Mississippi: A Few Clouds, 74°F
• detailI-55 Louisiana: Fair, 74°F

I-55 7 day weather forecast