I-57 weather conditions near Mattoon, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Overcast 32°F 2025-11-30T00:53:00-06:00
• Overnight 2025-11-30, Slight Chance Snow and Breezy. A 20 percent chance of snow before 2am. Cloudy, with a low around 21. Breezy, with a west wind around 22 mph, with gusts as high as 36 mph.
• Sunday 2025-11-30, Cloudy and Breezy then Cloudy. Cloudy, with a high near 24. Wind chill values between 5 and 12. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.
• Sunday Night 2025-11-30, Mostly Cloudy. Mostly cloudy, with a low around 17. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.
• Monday 2025-12-01, Cloudy then Chance Snow. A 40 percent chance of snow after noon. Cloudy, with a high near 31. Light and variable wind.
• Monday Night 2025-12-01, Snow then Chance Snow. Snow, mainly before midnight. Low around 18. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
• Tuesday 2025-12-02, Partly Sunny. Partly sunny, with a high near 25. Northwest wind 3 to 6 mph.
• Tuesday Night 2025-12-02, Partly Cloudy. Partly cloudy, with a low around 14. Calm wind becoming south 5 to 7 mph after midnight.
• Wednesday 2025-12-03, Partly Sunny. Partly sunny, with a high near 33.
• Wednesday Night 2025-12-03, Mostly Cloudy. Mostly cloudy, with a low around 10.
• Thursday 2025-12-04, Mostly Sunny. Mostly sunny, with a high near 17.
• Thursday Night 2025-12-04, Mostly Cloudy. Mostly cloudy, with a low around 2.
• Friday 2025-12-05, Chance Snow. A chance of snow. Mostly cloudy, with a high near 26.
• Friday Night 2025-12-05, Mostly Cloudy. Mostly cloudy, with a low around 19.
• Saturday 2025-12-06, Mostly Cloudy. Mostly cloudy, with a high near 32.