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Percival, IL Weather Forecast
Percival, IL Weather Forecast Date: 317 AM CST Wed Nov 11 2026
The area/counties/county of: Effingham, including the city of Effingham.or toggle through each period.
Today... Patchy fog this morning. Mostly sunny. Highs in the upper 60s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph with gusts up to 25 mph this afternoon.
Tonight... Mostly cloudy. Lows in the lower 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Thursday... Partly sunny in the morning, then becoming mostly cloudy. A 20% chance of showers. Much cooler with highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night... Partly cloudy in the evening, then clearing. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph.
Friday... Sunny. Highs in the mid 40s. Northwest winds 10 to 15 mph.
Friday Night... Mostly clear. Lows in the mid 20s.
Saturday... Sunny. Highs in the upper 40s.
Saturday Night... Mostly clear. Lows in the mid 20s. Highs around 50.
Sunday... Mostly clear. Lows in the mid 20s. Highs around 50.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s.
Monday... Mostly clear. Highs in the lower 50s. Lows in the upper 20s.
POP = Probability of Precipitation
Percival Radar Loop
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