I-55 weather conditions near Wilmington, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 62°F 2025-10-20T21:15:00-05:00
• Tonight 2025-10-20, Showers then Chance Showers. Showers, mainly before midnight. Low around 46. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
• Tuesday 2025-10-21, Breezy. Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 56. Breezy, with a west southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
• Tuesday Night 2025-10-21, Mostly Cloudy and Breezy then Mostly Cloudy. Mostly cloudy, with a low around 43. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
• Wednesday 2025-10-22, Mostly Sunny and Breezy. Mostly sunny, with a high near 55. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
• Wednesday Night 2025-10-22, Mostly Clear. Mostly clear, with a low around 36. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
• Thursday 2025-10-23, Sunny. Sunny, with a high near 57.
• Thursday Night 2025-10-23, Clear then Areas Frost. Areas of frost after 4am. Otherwise, mostly clear, with a low around 34.
• Friday 2025-10-24, Areas Frost then Mostly Sunny. Areas of frost before 8am. Otherwise, mostly sunny, with a high near 60.
• Friday Night 2025-10-24, Mostly Cloudy. Mostly cloudy, with a low around 43.
• Saturday 2025-10-25, Partly Sunny then Chance Showers. A chance of showers after 1pm. Mostly cloudy, with a high near 60.
• Saturday Night 2025-10-25, Chance Showers. A chance of showers. Mostly cloudy, with a low around 47.
• Sunday 2025-10-26, Mostly Cloudy. Mostly cloudy, with a high near 63.
• Sunday Night 2025-10-26, Mostly Cloudy. Mostly cloudy, with a low around 49.
• Monday 2025-10-27, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 67.