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 77°F 2025-07-28T23:53:00-05:00
Overnight 2025-07-29, Patchy Fog. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 75. Calm wind.
Tuesday 2025-07-29, Patchy Fog then Sunny. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night 2025-07-29, Mostly Clear. Mostly clear, with a low around 74. Calm wind.
Wednesday 2025-07-30, Mostly Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. North northeast wind 3 to 6 mph.
Wednesday Night 2025-07-30, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 6 mph. Chance of precipitation is 50%.
Thursday 2025-07-31, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Northeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Thursday Night 2025-07-31, Partly Cloudy. Partly cloudy, with a low around 61. North northeast wind 8 to 10 mph, with gusts as high as 17 mph.
Friday 2025-08-01, Sunny. Sunny, with a high near 78.
Friday Night 2025-08-01, Mostly Clear. Mostly clear, with a low around 58.
Saturday 2025-08-02, Mostly Sunny. Mostly sunny, with a high near 77.
Saturday Night 2025-08-02, Mostly Clear. Mostly clear, with a low around 59.
Sunday 2025-08-03, Sunny. Sunny, with a high near 80.
Sunday Night 2025-08-03, Partly Cloudy. Partly cloudy, with a low around 63.
Monday 2025-08-04, Mostly Sunny. Mostly sunny, with a high near 82.