I-55 weather conditions near Collinsville, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 51°F 2025-11-21T23:53:00-06:00
• Overnight 2025-11-22, Patchy Drizzle and Patchy Fog. Patchy drizzle after 1am. Patchy fog before 3am. Otherwise, cloudy, with a low around 46. North wind 6 to 8 mph.
• Saturday 2025-11-22, Patchy Drizzle then Mostly Sunny. Patchy drizzle before 7am. Cloudy through mid morning, then gradual clearing, with a high near 56. North wind 5 to 8 mph becoming west in the afternoon.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 41. West wind 3 to 7 mph.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 60. Northwest wind around 6 mph becoming calm in the afternoon.
• Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 43. Calm wind becoming southeast around 6 mph after midnight.
• Monday 2025-11-24, Chance Rain then Rain Likely. Rain likely, mainly after noon. Cloudy, with a high near 57. Chance of precipitation is 70%.
• Monday Night 2025-11-24, Rain then Chance Rain. Rain, mainly before midnight. Low around 50. Chance of precipitation is 80%.
• Tuesday 2025-11-25, Slight Chance Rain. A 20 percent chance of rain. Partly sunny, with a high near 62.
• Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 35.
• Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 48.
• Wednesday Night 2025-11-26, Partly Cloudy. Partly cloudy, with a low around 29.
• Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 46.
• Thursday Night 2025-11-27, Mostly Cloudy then Slight Chance Rain. A 20 percent chance of rain. Mostly cloudy, with a low around 29.
• Friday 2025-11-28, Slight Chance Rain then Mostly Sunny. A 20 percent chance of rain. Mostly sunny, with a high near 45.