I-57 weather conditions near Mattoon, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 55°F 2025-10-17T05:53:00-05:00 
Today 2025-10-17, Partly Sunny. Partly sunny, with a high near 78. South wind 8 to 13 mph, with gusts as high as 18 mph.- Tonight 2025-10-17, Partly Cloudy. Partly cloudy, with a low around 59. South wind around 9 mph, with gusts as high as 15 mph.
Saturday 2025-10-18, Chance Showers then Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 80. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night 2025-10-18, Showers. Showers and possibly a thunderstorm before 1am, then showers likely. Low around 48. South southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday 2025-10-19, Chance Showers. A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 60. West northwest wind 16 to 18 mph, with gusts as high as 30 mph.
Sunday Night 2025-10-19, Clear. Clear, with a low around 41. West wind 5 to 8 mph, with gusts as high as 15 mph.
Monday 2025-10-20, Sunny. Sunny, with a high near 69. South wind 6 to 15 mph, with gusts as high as 25 mph.
Monday Night 2025-10-20, Mostly Clear. Mostly clear, with a low around 47.
Tuesday 2025-10-21, Sunny. Sunny, with a high near 63.- Tuesday Night 2025-10-21, Mostly Clear. Mostly clear, with a low around 39.
- Wednesday 2025-10-22, Sunny. Sunny, with a high near 64.
Wednesday Night 2025-10-22, Partly Cloudy then Chance Showers. A chance of showers. Partly cloudy, with a low around 44.
Thursday 2025-10-23, Mostly Sunny. Mostly sunny, with a high near 64.