7-Day Zone Forecast for Piatt County (Text-Only)
NWS Forecast for: Piatt County
Issued by: National Weather Service Lincoln, IL
Last Update: 842 AM CDT Tue May 19 2026




Rest Of Today: Mostly cloudy with a chance of showers. A slight chance of thunderstorms early this morning, then a chance of thunderstorms this afternoon. Highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Tonight: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Cooler. Less humid with lows in the lower 50s. North winds 10 to 15 mph. Chance of rain 40 percent.

Wednesday: Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the mid 60s. Northeast winds 10 to 15 mph.

Wednesday Night: Partly cloudy. Lows in the mid 40s. Northeast winds 15 to 20 mph.

Thursday: Mostly sunny. Highs in the upper 60s. East winds 15 to 20 mph.

Thursday Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of rain 40 percent.

Friday: Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 70 percent.

Friday Night: Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 40 percent.

Saturday Through Sunday Night: Mostly cloudy. Highs in the upper 70s. Lows in the upper 50s.

Memorial Day: Mostly cloudy. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.







Zone Forecast: Piatt County

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