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 45°F 2026-05-03T02:53:00-05:00 
Overnight 2026-05-03, Clear. Clear, with a low around 39. South southwest wind around 7 mph.Sunday 2026-05-03, Sunny then Slight Chance Showers and Breezy. A slight chance of showers between noon and 1pm. Increasing clouds, with a high near 66. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday Night 2026-05-03, Chance T-storms. A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 52. Southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.Monday 2026-05-04, Mostly Sunny then Chance T-storms. A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 76. South southwest wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Monday Night 2026-05-04, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 56. South southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday 2026-05-05, Showers. Showers, with thunderstorms also possible after 1pm. High near 63. South southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night 2026-05-05, Showers Likely. Showers likely before 1am. Mostly cloudy, with a low around 42. North wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday 2026-05-06, Partly Sunny. Partly sunny, with a high near 57.
Wednesday Night 2026-05-06, Chance Showers. A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 42.
Thursday 2026-05-07, Mostly Sunny. Mostly sunny, with a high near 60.
Thursday Night 2026-05-07, Mostly Clear. Mostly clear, with a low around 43.- Friday 2026-05-08, Mostly Sunny. Mostly sunny, with a high near 66.
Friday Night 2026-05-08, Chance Showers. A chance of showers. Partly cloudy, with a low around 47.- Saturday 2026-05-09, Mostly Sunny. Mostly sunny, with a high near 68.