| NWS Forecast for: Percy IL Issued by: National Weather Service Saint Louis, MO Last Update: 7:37 pm CDT Jul 13, 2025 |  |
Tonight: A 20 percent chance of showers before 1am. Patchy fog after 2am. Otherwise, cloudy, with a low around 70. Light southwest wind. Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming south around 6 mph in the afternoon. Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the morning. Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%. Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Chance of precipitation is 30%. Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. | |
| Percy IL 38.02°N 89.61°W (Elev. 472 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
