


NWS Forecast for: South Beloit IL Issued by: National Weather Service Chicago, IL Last Update: 4:06 am CDT Mar 18, 2025 | |
Today: Partly sunny, with a high near 21. South southeast wind 5 to 10 km/h increasing to 15 to 20 km/h in the afternoon. Winds could gust as high as 30 km/h. Tonight: Mostly cloudy, with a low around 8. East wind around 15 km/h, with gusts as high as 25 km/h. Wednesday: Showers before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 17. Breezy, with an east southeast wind 15 to 25 km/h increasing to 25 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible. Wednesday Night: Rain showers before 10pm, then rain and snow showers between 10pm and 1am, then snow likely after 1am. Low around -3. Blustery, with a west wind 25 to 30 km/h becoming north northwest 35 to 40 km/h after midnight. Winds could gust as high as 65 km/h. Chance of precipitation is 100%. New snow accumulation of 1 to 3 centimeters possible. Thursday: Sunny, with a high near 6. Breezy, with a north northwest wind 30 to 35 km/h decreasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 55 km/h. Thursday Night: Mostly clear, with a low around -2. Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 14. Breezy. Friday Night: A chance of showers. Mostly cloudy, with a low around 0. Saturday: Mostly sunny, with a high near 7. Saturday Night: Partly cloudy, with a low around -2. Sunday: A chance of showers. Mostly cloudy, with a high near 9. Sunday Night: Rain and snow showers likely. Mostly cloudy, with a low around -1. Monday: A chance of rain and snow showers. Partly sunny, with a high near 6. | |
South Beloit IL 42.5°N 89.05°W | |
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