| NWS Forecast for: Plainville IL Issued by: National Weather Service Saint Louis, MO Last Update: 10:01 pm CST Feb 14, 2026 | |
| Tonight: Rain likely, mainly before 1am. Patchy fog after 4am. Otherwise, cloudy, with a low around 40. Northeast wind around 6 mph. Chance of precipitation is 60%. Sunday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 58. North wind around 6 mph becoming calm in the afternoon. Sunday Night: Mostly clear, with a low around 39. Calm wind becoming south around 6 mph after midnight. Washington's Birthday: Mostly sunny, with a high near 63. South wind 6 to 11 mph, with gusts as high as 21 mph. Monday Night: Mostly cloudy, with a low around 45. South wind around 7 mph. Tuesday: Mostly cloudy, with a high near 67. Tuesday Night: Mostly cloudy, with a low around 54. Wednesday: Sunny, with a high near 67. Wednesday Night: Mostly clear, with a low around 41. Thursday: A 30 percent chance of rain, mainly after noon. Sunny, with a high near 61. Thursday Night: A 20 percent chance of rain. Partly cloudy, with a low around 33. Friday: Mostly sunny, with a high near 47. Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 28. Saturday: Mostly sunny, with a high near 47. | |
| Plainville IL 39.79°N 91.18°W (Elev. 689 ft) | |
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