I-57 weather conditions near Johnston City, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 57°F 2025-10-14T23:55:00-05:00
• Overnight 2025-10-15, Clear. Clear, with a low around 55. Calm wind.
• Wednesday 2025-10-15, Sunny. Sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
• Wednesday Night 2025-10-15, Mostly Clear. Mostly clear, with a low around 57. Light east wind.
• Thursday 2025-10-16, Sunny. Sunny, with a high near 79. Light east wind increasing to 5 to 9 mph in the morning.
• Thursday Night 2025-10-16, Partly Cloudy. Partly cloudy, with a low around 55. East southeast wind around 6 mph.
• Friday 2025-10-17, Partly Sunny. Partly sunny, with a high near 81. South wind 5 to 9 mph.
• Friday Night 2025-10-17, Mostly Clear. Mostly clear, with a low around 62. South wind around 7 mph.
• Saturday 2025-10-18, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 21 mph.
• Saturday Night 2025-10-18, Showers Likely. Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind 7 to 9 mph.
• Sunday 2025-10-19, Chance Showers. A chance of showers, mainly before 1pm. Sunny, with a high near 69. West northwest wind 9 to 14 mph, with gusts as high as 20 mph.
• Sunday Night 2025-10-19, Mostly Clear. Mostly clear, with a low around 44. West southwest wind 3 to 7 mph.
• Monday 2025-10-20, Sunny. Sunny, with a high near 72. Southwest wind 5 to 11 mph.
• Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 51. South wind around 7 mph.
• Tuesday 2025-10-21, Sunny then Slight Chance Showers. A slight chance of showers. Sunny, with a high near 73. South wind 8 to 15 mph, with gusts as high as 21 mph.