I-55 weather conditions near Chatham, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 46°F 2025-11-18T06:52:00-06:00
• Today 2025-11-18, Slight Chance Rain. A 20 percent chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 58. Southeast wind 6 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
• Tonight 2025-11-18, Cloudy. Cloudy, with a low around 45. North northeast wind around 6 mph.
• Wednesday 2025-11-19, Mostly Cloudy. Mostly cloudy, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.
• Wednesday Night 2025-11-19, Mostly Cloudy. Mostly cloudy, with a low around 45. Light and variable wind.
• Thursday 2025-11-20, Rain Likely. Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
• Thursday Night 2025-11-20, Chance Rain. A 50 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 5 to 7 mph becoming north northeast after midnight.
• Friday 2025-11-21, Rain Likely. Rain likely. Mostly cloudy, with a high near 53. Northeast wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
• Friday Night 2025-11-21, Chance Rain then Mostly Cloudy. A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 37.
• Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 53.
• Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 38.
• Sunday 2025-11-23, Sunny. Sunny, with a high near 57.
• Sunday Night 2025-11-23, Mostly Clear. Mostly clear, with a low around 41.
• Monday 2025-11-24, Mostly Sunny. Mostly sunny, with a high near 58.