County Forecast for Rheems , PA
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051500-
Lancaster-
Including the city of Lancaster
300 AM EDT Wed Aug 5 2026

Rest of tonight   Mostly cloudy. Near steady temperature in the upper 60s. East winds around 5 mph.
Wednesday   Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 50 percent.
Wednesday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Warm with lows around 70. Southeast winds around 5 mph. Chance of rain 50 percent.
Thursday   Partly sunny. A chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values around 100 in the afternoon.
Thursday night   Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Warm with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Friday   Mostly sunny in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Chance of rain 80 percent. Heat index values around 100.
Friday night   Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the upper 60s. Chance of rain 80 percent.
Saturday   Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Chance of rain 50 percent.
Saturday night   Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the upper 60s. Chance of rain 50 percent.
Sunday   Sunny with highs in the upper 80s.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s.
Monday   Mostly sunny. Humid. Very warm with highs in the upper 80s.
Monday night   Partly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 30 percent.
Tuesday   Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Chance of rain 50 percent.
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Bryce Anderson – DTN Meteorologist
Heavy Rain Targets Central Iowa and Southwest Wisconsin Tonight
Posted at 12:01PM Tue Aug 4, 2026 CDT
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