| NWS Forecast for: Plainville IL Issued by: National Weather Service Saint Louis, MO Last Update: 10:01 pm CST Dec 5, 2025 | |
| Overnight: Mostly cloudy, with a low around 26. West wind 5 to 7 mph. Saturday: Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 34. Light and variable wind becoming southeast 5 to 8 mph in the afternoon. Saturday Night: Snow likely before 2am, then rain likely. Cloudy, with a steady temperature around 32. Southeast wind 8 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. Little or no snow accumulation expected. Sunday: A chance of rain and snow before 9am, then a chance of snow between 9am and noon. Mostly cloudy, with a temperature falling to around 24 by 5pm. West wind 9 to 11 mph becoming north in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%. Sunday Night: Mostly cloudy, with a low around 9. North wind 5 to 9 mph becoming calm after midnight. Monday: Mostly sunny, with a high near 28. Monday Night: Partly cloudy, with a low around 21. Tuesday: Partly sunny, with a high near 43. Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 33. Wednesday: A 20 percent chance of rain. Mostly cloudy, with a high near 40. Wednesday Night: Mostly cloudy, with a low around 23. Thursday: Mostly cloudy, with a high near 35. Thursday Night: Mostly cloudy, with a low around 17. Friday: Partly sunny, with a high near 26. | |
| Plainville IL 39.79°N 91.18°W (Elev. 689 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |



