I-90 weather conditions near South Beloit, Illinois

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 37°F 2025-10-20T03:30:00-05:00
• Overnight 2025-10-20, Patchy Frost. Patchy frost before 5am. Otherwise, clear, with a low around 36. South southwest wind around 5 mph.
• Monday 2025-10-20, Patchy Frost then Sunny and Breezy. Patchy frost before 8am. Otherwise, sunny, with a high near 68. 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 then Chance Showers. Showers likely, mainly between 9pm and 1am. Cloudy, then gradual clearing toward daybreak, with a low around 42. South wind 10 to 15 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
• Tuesday 2025-10-21, Breezy. Mostly Sunny then Chance Showers. A 50 percent chance of showers after 1pm. Increasing clouds, with a high near 53. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
• Tuesday Night 2025-10-21, Chance Showers and Breezy. A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 40. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
• Wednesday 2025-10-22, Partly Sunny. Partly sunny, with a high near 51.
• Wednesday Night 2025-10-22, Mostly Clear. Mostly clear, with a low around 33.
• Thursday 2025-10-23, Sunny. Sunny, with a high near 56.
• Thursday Night 2025-10-23, Mostly Clear. Mostly clear, with a low around 31.
• 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 38.
• Saturday 2025-10-25, Partly Sunny. Partly sunny, with a high near 60.
• Saturday Night 2025-10-25, Mostly Cloudy. Mostly cloudy, with a low around 43.
• Sunday 2025-10-26, Partly Sunny. Partly sunny, with a high near 63.