| NWS Forecast for: Union IL Issued by: National Weather Service Chicago, IL Last Update: 6:51 pm CST Nov 11, 2025 | |
| Tonight: Mostly clear, with a low around 33. West wind 10 to 15 mph, with gusts as high as 20 mph. Wednesday: Sunny, with a high near 48. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Wednesday Night: Partly cloudy, with a low around 30. West wind 5 to 10 mph, with gusts as high as 15 mph. Thursday: Mostly sunny, with a high near 53. West wind around 5 mph. Thursday Night: Partly cloudy, with a low around 35. South southwest wind around 5 mph becoming calm in the evening. Friday: Sunny, with a high near 60. Friday Night: Mostly cloudy, with a low around 46. Saturday: Mostly cloudy, with a high near 68. Saturday Night: Mostly cloudy, with a low around 43. Sunday: Mostly sunny, with a high near 54. Sunday Night: Partly cloudy, with a low around 30. Monday: Mostly sunny, with a high near 48. Monday Night: A chance of rain. Mostly cloudy, with a low around 33. Tuesday: Partly sunny, with a high near 48. | |
| Union IL 42.24°N 88.53°W | |
Visit your local NWS office at: https://www.weather.gov/lot |





