I-55 weather conditions near Sherman, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 63°F 2025-09-21T04:52:00-05:00 Today 2025-09-21, Isolated Showers and Patchy Fog then Isolated T-storms. Isolated showers before 8am, then isolated showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tonight 2025-09-21, Showers. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. Southwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday 2025-09-22, Showers Likely. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-09-22, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm in the evening.Tuesday 2025-09-23, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night 2025-09-23, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light and variable wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 40%.
Wednesday 2025-09-24, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a high near 76. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Wednesday Night 2025-09-24, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday 2025-09-25, Chance Showers. A 30 percent chance of showers. Partly sunny, with a high near 73.- Thursday Night 2025-09-25, Partly Cloudy. Partly cloudy, with a low around 56.
Friday 2025-09-26, Mostly Sunny. Mostly sunny, with a high near 75.
Friday Night 2025-09-26, Mostly Clear. Mostly clear, with a low around 55.
Saturday 2025-09-27, Sunny. Sunny, with a high near 78.