I-57 weather conditions near Johnston City, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Mostly Cloudy 52°F 2025-10-19T07:47:00-05:00
• Today 2025-10-19, Breezy. Scattered Showers then Sunny. Scattered showers, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
• Tonight 2025-10-19, Clear. Clear, with a low around 42. West wind 5 to 8 mph becoming light and variable in the evening.
• Monday 2025-10-20, Sunny then Sunny and Breezy. Sunny, with a high near 71. Breezy, with a light south wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 28 mph.
• Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 51. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
• Tuesday 2025-10-21, Sunny then Sunny and Breezy. Sunny, with a high near 69. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
• Tuesday Night 2025-10-21, Clear. Clear, with a low around 42. West wind 6 to 10 mph.
• Wednesday 2025-10-22, Sunny. Sunny, with a high near 65. West wind 7 to 14 mph, with gusts as high as 18 mph.
• Wednesday Night 2025-10-22, Mostly Clear. Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
• Thursday 2025-10-23, Sunny. Sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the morning.
• Thursday Night 2025-10-23, Partly Cloudy. Partly cloudy, with a low around 43. Calm wind.
• Friday 2025-10-24, Chance Showers. A chance of showers. Mostly cloudy, with a high near 58. East southeast wind 3 to 8 mph.
• Friday Night 2025-10-24, Chance Showers. A chance of showers. Mostly cloudy, with a low around 47. East wind 3 to 6 mph.
• Saturday 2025-10-25, Chance Showers. A chance of showers. Partly sunny, with a high near 63. East southeast wind 6 to 9 mph.