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Siper Diffenbaugh Park, IL 7-Day Night Weather Forecast
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Siper Diffenbaugh Park, IL Weather Forecast
Siper Diffenbaugh Park, IL Weather Forecast Date: 331 PM CDT Tue Sep 08 2026
The area/counties/county of: Warren, including the city of Monmouth.or toggle through each period.
Tonight... Mostly clear this evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Warmer with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 50%.
Wednesday... Mostly cloudy. Occasional showers and thunderstorms, mainly in the morning. Humid with highs in the lower 80s. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 90%.
Wednesday Night... Mostly cloudy. A chance of showers after midnight. Humid with lows in the mid 60s. Northwest winds around 5 mph. Chance of rain 30%.
Thursday... Mostly sunny. Humid with highs around 80. North winds around 5 mph.
Thursday Night... Clear. Lows in the upper 50s. Northeast winds around 5 mph, becoming east after midnight.
Friday... Sunny. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the mid 60s.
Saturday... Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 50%.
Saturday Night... Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40%.
Sunday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40%.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40%.
Monday... Partly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 50%.
Monday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely after midnight. Lows in the mid 60s. Chance of rain 60%.
POP = Probability of Precipitation
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