I-57 weather conditions near Johnston City, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 80°F 2025-06-18T19:55:00-05:00
• Tonight 2025-06-18, Severe Thunderstorms. A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Some of the storms could be severe. Mostly cloudy, with a low around 70. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
• Juneteenth 2025-06-19, Decreasing Clouds. Mostly cloudy, then gradually becoming sunny, with a high near 85. West northwest wind around 7 mph.
• Thursday Night 2025-06-19, Clear. Clear, with a low around 67. Calm wind.
• Friday 2025-06-20, Sunny. Sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning.
• Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 73. South wind around 6 mph.
• Saturday 2025-06-21, Sunny. Sunny, with a high near 92. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
• Saturday Night 2025-06-21, Clear. Clear, with a low around 76. South wind 6 to 8 mph.
• Sunday 2025-06-22, Sunny. Sunny, with a high near 93. South southwest wind 6 to 8 mph.
• Sunday Night 2025-06-22, Clear. Clear, with a low around 76. South wind around 6 mph becoming calm after midnight.
• Monday 2025-06-23, Sunny. Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
• Tuesday 2025-06-24, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
• Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 75. Light south wind.
• Wednesday 2025-06-25, Chance T-storms. A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.