I-55 weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fog/Mist 64°F 2025-09-23T04:53:00-05:00
• Today 2025-09-23, Slight Chance Showers and Patchy Fog then Showers Likely. A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 70%.
• Tonight 2025-09-23, Showers. Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. Southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 80%.
• Wednesday 2025-09-24, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. North wind 8 to 10 mph. Chance of precipitation is 60%.
• Wednesday Night 2025-09-24, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
• Thursday 2025-09-25, Slight Chance Showers. A 20 percent chance of showers. Mostly sunny, with a high near 77. Northwest wind 6 to 10 mph.
• Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 56.
• Friday 2025-09-26, Sunny. Sunny, with a high near 81.
• Friday Night 2025-09-26, Clear. Clear, with a low around 57.
• Saturday 2025-09-27, Sunny. Sunny, with a high near 84.
• Saturday Night 2025-09-27, Clear. Clear, with a low around 57.
• Sunday 2025-09-28, Sunny. Sunny, with a high near 84.
• Sunday Night 2025-09-28, Mostly Clear. Mostly clear, with a low around 56.
• Monday 2025-09-29, Sunny. Sunny, with a high near 84.