I-55 weather conditions near Wilmington, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 43°F 2025-11-21T23:55:00-06:00 
Overnight 2025-11-22, Slight Chance Rain. A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North wind around 5 mph.
Saturday 2025-11-22, Mostly Sunny. Mostly sunny, with a high near 52. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Saturday Night 2025-11-22, Mostly Clear. Mostly clear, with a low around 34. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Sunday 2025-11-23, Sunny. Sunny, with a high near 53. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.- Sunday Night 2025-11-23, Partly Cloudy. Partly cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight.
Monday 2025-11-24, Mostly Cloudy then Chance Rain. A 30 percent chance of rain after noon. Mostly cloudy, with a high near 55.
Monday Night 2025-11-24, Rain. Rain. Low around 46. Chance of precipitation is 90%.
Tuesday 2025-11-25, Chance Rain. A chance of rain. Mostly cloudy, with a high near 57.- Tuesday Night 2025-11-25, Partly Cloudy. Partly cloudy, with a low around 32.
- Wednesday 2025-11-26, Mostly Sunny. Mostly sunny, with a high near 44.
- Wednesday Night 2025-11-26, Partly Cloudy. Partly cloudy, with a low around 24.
- Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 38.
- Thursday Night 2025-11-27, Partly Cloudy. Partly cloudy, with a low around 21.
- Friday 2025-11-28, Mostly Sunny. Mostly sunny, with a high near 36.