I-255 IL weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: A Few Clouds 86°F 2025-06-19T13:53:00-05:00
• Juneteenth 2025-06-19, Sunny. Sunny, with a high near 85. Northwest wind around 7 mph.
• Tonight 2025-06-19, Clear. Clear, with a low around 67. Northwest wind around 5 mph becoming calm in the evening.
• Friday 2025-06-20, Sunny. Sunny, with a high near 91. South wind 5 to 11 mph.
• Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 75. South wind 9 to 11 mph, with gusts as high as 20 mph.
• Saturday 2025-06-21, Sunny. Sunny, with a high near 96. South wind 9 to 13 mph, with gusts as high as 21 mph.
• Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 76.
• Sunday 2025-06-22, Sunny. Sunny, with a high near 96.
• Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 77.
• Monday 2025-06-23, Sunny. Sunny, with a high near 96.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 77.
• Tuesday 2025-06-24, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
• Tuesday Night 2025-06-24, Partly Cloudy. Partly cloudy, with a low around 76.
• Wednesday 2025-06-25, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.