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: Rain 55°F 2025-10-18T23:50:00-05:00 
Overnight 2025-10-19, Showers and Breezy. Showers. Low around 49. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.Sunday 2025-10-19, Breezy. Showers Likely then Becoming Sunny. Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night 2025-10-19, Clear then Patchy Frost. Patchy frost after 4am. Otherwise, clear, with a low around 35. West northwest wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 15 mph.Monday 2025-10-20, Patchy Frost then Sunny and Breezy. Patchy frost before 8am. Otherwise, sunny, with a high near 65. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night 2025-10-20, Showers Likely. Showers likely, mainly before 1am. Partly cloudy, with a low around 44. South wind around 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.Tuesday 2025-10-21, Breezy. Mostly Sunny then Slight Chance Showers. A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 54. Breezy.
Tuesday Night 2025-10-21, Slight Chance Showers. A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 39.
Wednesday 2025-10-22, Partly Sunny. Partly sunny, with a high near 52.
Wednesday Night 2025-10-22, Mostly Clear. Mostly clear, with a low around 32.
Thursday 2025-10-23, Sunny. Sunny, with a high near 56.
Thursday Night 2025-10-23, Partly Cloudy. Partly cloudy, with a low around 34.
Friday 2025-10-24, Mostly Sunny. Mostly sunny, with a high near 59.- Friday Night 2025-10-24, Partly Cloudy. Partly cloudy, with a low around 40.
- Saturday 2025-10-25, Mostly Sunny. Mostly sunny, with a high near 65.