Diffenbaugh-Harmon Park, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Diffenbaugh-Harmon Park, IL Weather Forecast


Diffenbaugh-Harmon Park, IL Weather Forecast Date: 836 AM CDT Mon Oct 12 2026
The area/counties/county of: Warren, including the city of Monmouth.or toggle through each period.
Rest of Today... Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Mostly clear. Lows in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday... Sunny with highs in the upper 80s. West winds 5 to 10 mph.
Tuesday Night... A chance of thunderstorms. Showers with lows in the mid 60s. North winds around 5 mph. Chance of rain near 100%.
Wednesday... Showers. Not as warm. Humid with highs in the mid 70s. North winds 5 to 10 mph. Chance of rain near 100%.
Wednesday Night... Showers likely with a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60%.
Thursday... Showers with a chance of thunderstorms in the morning, then showers in the afternoon. Highs in the lower 70s. Chance of rain 90%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 40s. Chance of rain 40%.
Friday... Mostly sunny and breezy, cooler with highs in the upper 50s.
Friday Night... Mostly clear. Cooler with lows in the mid 30s.
Saturday... Clear. Highs in the upper 50s. Lows in the upper 30s.
Saturday Night... Clear. Highs in the upper 50s. Lows in the upper 30s.
Weather World