| NWS Forecast for: Mercer County Issued by: National Weather Service Wilmington, OH Last Update: 405 AM EDT Sat Aug 15 2026 | |
Today: Mostly cloudy. Showers likely with a slight chance of thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Highs in the lower 80s. Southeast winds around 5 mph, becoming south around 5 mph this afternoon. Chance of rain 70 percent. Tonight: Mostly cloudy. Showers with thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Muggy. Lows around 70. South winds around 5 mph, becoming southwest after midnight. Chance of rain 90 percent. Sunday: Partly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the mid 80s. West winds 10 to 15 mph. Chance of rain 70 percent. Sunday Night: Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Muggy. Lows in the upper 60s. Northwest winds 5 to 10 mph. Chance of rain 50 percent. Monday: Partly cloudy in the morning, then clearing. Highs in the upper 70s. North winds 5 to 10 mph. Monday Night: Mostly clear. Lows in the upper 50s. Tuesday: Mostly sunny. Highs in the upper 70s. Tuesday Night: Mostly clear. Lows in the lower 60s. Wednesday: Partly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 60 percent. Wednesday Night: Partly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 60 percent. Thursday: Partly cloudy. Highs in the mid 70s. Thursday Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. Friday: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 70s. | |
| Zone Forecast: Mercer County | |
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