I-55 weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 70°F 2025-11-18T14:53:00-06:00
• This Afternoon 2025-11-18, Slight Chance T-storms. A 20 percent chance of rain and thunderstorms before 4pm. Partly sunny, with a high near 70. Northwest wind around 7 mph.
• Tonight 2025-11-18, Mostly Cloudy. Mostly cloudy, with a low around 46. North wind 3 to 5 mph.
• Wednesday 2025-11-19, Cloudy. Cloudy, with a high near 58. Light and variable wind.
• Wednesday Night 2025-11-19, Mostly Cloudy then Slight Chance Rain. A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 49. Light southeast wind.
• Thursday 2025-11-20, Rain Likely. Rain likely and possibly a thunderstorm before noon, then rain likely between noon and 3pm, then rain likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 61. South wind 5 to 8 mph. Chance of precipitation is 70%.
• Thursday Night 2025-11-20, Rain Likely. Rain likely and possibly a thunderstorm. Cloudy, with a low around 53. Chance of precipitation is 70%.
• Friday 2025-11-21, Rain. Rain. High near 60. Chance of precipitation is 80%.
• Friday Night 2025-11-21, Chance Rain then Slight Chance Rain. A chance of rain and thunderstorms before midnight, then a slight chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
• Saturday 2025-11-22, Partly Sunny. Partly sunny, with a high near 58.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 42.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 62.
• Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 44.
• Monday 2025-11-24, Chance Rain. A 30 percent chance of rain. Partly sunny, with a high near 60.
• Monday Night 2025-11-24, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a low around 45.
• Tuesday 2025-11-25, Chance Rain. A 40 percent chance of rain. Mostly cloudy, with a high near 58.