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: Overcast 72°F 2025-05-28T14:45:00-05:00 
This Afternoon 2025-05-28, Mostly Sunny. Mostly sunny, with a high near 76. West northwest wind around 8 mph.Tonight 2025-05-28, Partly Cloudy then Patchy Fog. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Thursday 2025-05-29, Patchy Fog then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night 2025-05-29, Showers. Showers and possibly a thunderstorm. Low around 58. North northeast wind around 6 mph becoming light and variable. Chance of precipitation is 80%.Friday 2025-05-30, Slight Chance T-storms then Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 74. Northwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night 2025-05-30, Mostly Clear. Mostly clear, with a low around 59. West wind around 6 mph.
Saturday 2025-05-31, Sunny. Sunny, with a high near 82. West northwest wind 7 to 10 mph.
Saturday Night 2025-05-31, Partly Cloudy. Partly cloudy, with a low around 61. West northwest wind around 5 mph becoming calm in the evening.
Sunday 2025-06-01, Sunny. Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon.- Sunday Night 2025-06-01, Mostly Clear. Mostly clear, with a low around 60. Light south southeast wind.
- Monday 2025-06-02, Sunny. Sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning.
- Monday Night 2025-06-02, Mostly Clear. Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.
- Tuesday 2025-06-03, Mostly Sunny. Mostly sunny, with a high near 86. South wind 5 to 10 mph.