Illinois City, IL

Current conditions, hourly and 7-day forecast, and live radar for Illinois City, IL 61259. Right now: mostly cloudy then patchy fog, 64°F. Data from the National Weather Service.

• Tonight: Patchy fog after 4am. Mostly cloudy, with a low around 64. Northwest wind 0 to 5 mph.
• Thursday: Patchy fog before 9am. Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northeast wind around 5 mph.
• Thursday Night: Mostly clear, with a low around 59. East wind 0 to 5 mph.
• Friday: Sunny, with a high near 82. Southeast wind 5 to 10 mph.
• Friday Night: A slight chance of rain showers after 1am. Mostly clear, with a low around 65.
• Saturday: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.