I-90 weather conditions near South Beloit, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Overcast 54°F 2025-10-16T04:50:00-05:00 
Today 2025-10-16, Slight Chance Showers. A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 68. East wind 5 to 10 mph becoming south southeast in the afternoon.Tonight 2025-10-16, Mostly Cloudy then Slight Chance Showers. A slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 56. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday 2025-10-17, Partly Sunny. Partly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph.Friday Night 2025-10-17, Chance Showers then Showers. A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday 2025-10-18, Showers Likely. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.Saturday Night 2025-10-18, Chance T-storms then Showers Likely. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday 2025-10-19, Chance Showers and Breezy. A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 58. Breezy.
Sunday Night 2025-10-19, Clear. Clear, with a low around 38.
Monday 2025-10-20, Sunny. Sunny, with a high near 65.Monday Night 2025-10-20, Partly Cloudy then Chance Showers. A chance of showers after 1am. Partly cloudy, with a low around 45.
Tuesday 2025-10-21, Chance Showers. A chance of showers. Mostly sunny, with a high near 61.
Tuesday Night 2025-10-21, Chance Showers. A chance of showers. Partly cloudy, with a low around 39.
Wednesday 2025-10-22, Mostly Sunny. Mostly sunny, with a high near 57.