| NWS Forecast for: Quincy IL Issued by: National Weather Service Saint Louis, MO Last Update: 3:26 pm CDT Oct 11, 2026 |  |
| Tonight: Partly cloudy, with a low around 68. South wind 5 to 7 mph. Columbus Day: Sunny, with a high near 90. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Monday Night: Mostly clear, with a low around 72. South wind 8 to 10 mph, with gusts as high as 22 mph. Tuesday: Sunny, with a high near 89. Southwest wind 5 to 7 mph. Tuesday Night: Showers and possibly a thunderstorm. Low around 68. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 90%. Wednesday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 76. Chance of precipitation is 90%. Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. Thursday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 80%. Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 53. Friday: Mostly sunny, with a high near 61. Breezy. Friday Night: Partly cloudy, with a low around 41. Saturday: Sunny, with a high near 58. Saturday Night: Clear, with a low around 40. Sunday: Sunny, with a high near 66. | |
| Quincy IL 39.93°N 91.38°W (Elev. 650 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
