I-57 weather conditions near Mount Vernon, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 69°F 2026-05-03T16:56:00-05:00 
Tonight 2026-05-03, Chance T-storms. A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers. Increasing clouds, with a low around 55. South southwest wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.Monday 2026-05-04, Slight Chance Showers then Slight Chance T-storms. A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 79. Southwest wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night 2026-05-04, Chance T-storms then Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday 2026-05-05, Showers. Showers and possibly a thunderstorm. High near 66. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Tuesday Night 2026-05-05, Showers. Showers and possibly a thunderstorm. Low around 45. North wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday 2026-05-06, Slight Chance Showers. A 20 percent chance of showers. Partly sunny, with a high near 59. North northeast wind 6 to 8 mph.
Wednesday Night 2026-05-06, Slight Chance Showers. A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm.- Thursday 2026-05-07, Mostly Sunny. Mostly sunny, with a high near 64. Light north northwest wind becoming west northwest 5 to 10 mph in the morning.
Thursday Night 2026-05-07, Mostly Clear. Mostly clear, with a low around 46. Light and variable wind.Friday 2026-05-08, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. South southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Friday Night 2026-05-08, Chance Showers. A chance of showers and thunderstorms. Partly cloudy, with a low around 50. West southwest wind around 6 mph becoming calm in the evening.
Saturday 2026-05-09, Sunny. Sunny, with a high near 73. Light and variable wind becoming west northwest 5 to 7 mph in the morning.- Saturday Night 2026-05-09, Mostly Clear. Mostly clear, with a low around 54. Light southeast wind.
Sunday 2026-05-10, Slight Chance Showers. A slight chance of showers. Mostly sunny, with a high near 75. East southeast wind 5 to 9 mph.