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: Overcast 55°F 2025-10-21T00:15:00-05:00 
Overnight 2025-10-21, Chance Showers. A 40 percent chance of showers, mainly before 1am. Cloudy early, then gradual clearing, with a low around 46. West wind 10 to 15 mph, with gusts as high as 30 mph.Tuesday 2025-10-21, Breezy. Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 4pm. 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, Chance Showers and Breezy then Mostly Cloudy. A 30 percent chance of showers, mainly before 9pm. 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.