| NWS Forecast for: Mercer County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 221 AM CDT Sat Aug 8 2026 |  |
Today: Partly cloudy after midnight, then clearing. A slight chance of showers and thunderstorms after midnight. Humid with highs in the mid 80s. Northwest winds around 5 mph, becoming north this afternoon. Chance of rain 20 percent. Tonight: Mostly clear. A chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 40 percent. Sunday: Mostly sunny. A chance of showers in the afternoon. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Heat index values up to 103 in the afternoon. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. Heat index values up to 101 early in the evening. Monday: Partly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105 in the afternoon. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 60 percent. Heat index values up to 105 early in the evening. Tuesday: Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100 in the afternoon. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent. Wednesday: Partly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 40 percent. Wednesday Night: Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent. Thursday: Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Highs in the upper 70s. Chance of rain 50 percent. Thursday Night And Friday: Mostly cloudy. A chance of showers. Lows in the lower 60s. Highs in the upper 70s. Chance of rain 40 percent. | |
| Zone Forecast: Mercer County | |
Visit your local NWS office at: https://www.weather.gov/dvn |