| NWS Forecast for: Wilsonville IL Issued by: National Weather Service Saint Louis, MO Last Update: 2:46 pm CDT Apr 10, 2026 | |
Tonight: Mostly cloudy, with a low around 49. North wind 6 to 8 mph becoming east after midnight. Saturday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly cloudy, with a high near 68. Southeast wind 8 to 10 mph. Saturday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 57. Southeast wind around 10 mph. Sunday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 79. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%. Sunday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Monday: A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly sunny, with a high near 83. Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. | |
| Wilsonville IL 39.07°N 89.87°W (Elev. 636 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |





