Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

7-Day Zone Forecast for Mercer County (Text-Only)
NWS Forecast for: Mercer County
Issued by: National Weather Service Philadelphia, PA
Last Update: 400 PM EDT Tue Jun 9 2026
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Tonight: Partly cloudy. Not as cool with lows in the lower 60s. Southwest winds 5 to 10 mph.

Wednesday: Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Hot. More humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Wednesday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

Thursday: Partly sunny. A chance of showers in the afternoon. Hot with highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 50 percent.

Thursday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. West winds around 5 mph. Chance of rain 50 percent.

Friday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 30 percent.

Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Saturday: Mostly sunny. Hot with highs around 90.

Saturday Night: Mostly clear. Lows in the mid 60s.

Sunday: Sunny, hot with highs in the lower 90s.

Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.

Monday: Partly sunny with a chance of showers. Hot with highs in the upper 80s. Chance of rain 40 percent.

Monday Night: Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.

Tuesday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.







Zone Forecast: Mercer County

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