I-55 Weather Conditions and Forecasts

2026-05-23 Roadnow

I-55 current weather conditions

• detailI-55 Illinois: Fair, 56°F
• detailI-55 Missouri: Fog/Mist, 64°F
• detailI-55 Arkansas: Overcast, 67°F
• detailI-55 Tennessee: Overcast, 68°F
• detailI-55 Mississippi: Overcast, 69°F
• detailI-55 Louisiana: Partly Cloudy, 76°F

I-55 7 day weather forecast