| NWS Forecast for: Iroquois County Issued by: National Weather Service Chicago, IL Last Update: 201 PM CDT Thu Oct 15 2026 |  |
Late This Afternoon: Showers likely and a slight chance of thunderstorms. Temperatures in the upper 60s. South winds around 10 mph. Chance of precipitation 70 percent. Tonight: Cloudy. Showers likely early in the evening. A slight chance of thunderstorms in the evening. A chance of showers in the late evening and early morning. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent. Friday: Mostly cloudy. A chance of showers in the afternoon. Breezy, cooler. Less humid with highs in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. Friday Night: Partly cloudy in the evening, then clearing. A chance of showers early in the evening. Breezy with lows in the mid 30s. North winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation 50 percent. Saturday: Mostly sunny. Areas of frost in the morning. Highs in the upper 50s. North winds 5 to 10 mph in the morning, becoming light and variable. Saturday Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Light and variable winds, becoming south around 5 mph after midnight. Sunday: Areas of frost in the morning. Sunny. Highs in the upper 60s. Sunday Night: Clear. Lows in the upper 30s. Monday: Partly cloudy. Highs in the lower 70s. Monday Night: Partly cloudy. Lows in the lower 40s. Tuesday: Partly cloudy in the morning, then clearing. Highs in the mid 70s. Tuesday Night: Mostly clear. Lows in the lower 40s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Iroquois County | |
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