I-55 weather conditions near Mount Olive, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 67°F 2025-09-24T02:55:00-05:00 
Overnight 2025-09-24, Chance Showers and Patchy Fog. A 50 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Light northeast wind.
Wednesday 2025-09-24, Chance Showers and Patchy Fog. A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 75. North wind 7 to 9 mph. Chance of precipitation is 30%.Wednesday Night 2025-09-24, Chance Showers then Slight Chance Showers. A 50 percent chance of showers, mainly before 11pm. Cloudy, then gradual clearing toward daybreak, with a low around 55. North wind around 7 mph, with gusts as high as 20 mph.
Thursday 2025-09-25, Mostly Sunny. Mostly sunny, with a high near 76. North wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday Night 2025-09-25, Mostly Clear. Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm in the evening.
Friday 2025-09-26, Sunny. Sunny, with a high near 80.
Friday Night 2025-09-26, Clear. Clear, with a low around 53.- Saturday 2025-09-27, Sunny. Sunny, with a high near 83.
- Saturday Night 2025-09-27, Clear. Clear, with a low around 55.
- Sunday 2025-09-28, Sunny. Sunny, with a high near 85.
- Sunday Night 2025-09-28, Mostly Clear. Mostly clear, with a low around 57.
Monday 2025-09-29, Sunny. Sunny, with a high near 86.- Monday Night 2025-09-29, Mostly Clear. Mostly clear, with a low around 58.
- Tuesday 2025-09-30, Sunny. Sunny, with a high near 85.