I-57 weather conditions near Johnston City, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 70°F 2025-06-19T01:55:00-05:00 
Overnight 2025-06-19, Mostly Clear. Mostly clear, with a low around 70. West southwest wind around 6 mph.
Juneteenth 2025-06-19, Mostly Sunny. Mostly sunny, with a high near 85. West northwest wind 6 to 8 mph.
Thursday Night 2025-06-19, Clear. Clear, with a low around 67. Light and variable 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 74. South wind around 6 mph.
- Saturday 2025-06-21, Sunny. Sunny, with a high near 93. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
- Saturday Night 2025-06-21, Clear. Clear, with a low around 76. South wind 6 to 9 mph.
- Sunday 2025-06-22, Sunny. Sunny, with a high near 94. South southwest wind 6 to 9 mph.
- Sunday Night 2025-06-22, Clear. Clear, with a low around 76. South wind 3 to 6 mph.
- Monday 2025-06-23, Sunny. Sunny, with a high near 95. South southwest wind 3 to 6 mph.
- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
- Tuesday 2025-06-24, Sunny. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
- Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 76. Light south wind.
Wednesday 2025-06-25, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.