I-55 weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 57°F 2025-10-17T07:53:00-05:00
• Today 2025-10-17, Mostly Sunny. Mostly sunny, with a high near 83. South wind 6 to 10 mph.
• Tonight 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 64. South wind around 9 mph.
• Saturday 2025-10-18, Showers. Showers and possibly a thunderstorm. High near 79. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
• Saturday Night 2025-10-18, Showers. Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Southwest wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
• Sunday 2025-10-19, Sunny. Sunny, with a high near 65. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.
• Sunday Night 2025-10-19, Clear. Clear, with a low around 44.
• Monday 2025-10-20, Sunny. Sunny, with a high near 74.
• Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 50.
• Tuesday 2025-10-21, Sunny. Sunny, with a high near 67.
• Tuesday Night 2025-10-21, Clear. Clear, with a low around 42.
• Wednesday 2025-10-22, Sunny. Sunny, with a high near 69.
• Wednesday Night 2025-10-22, Chance Showers. A 30 percent chance of showers. Partly cloudy, with a low around 48.
• Thursday 2025-10-23, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 67.