Active Weather Alerts
Flood Watch
Issued: 4:14 PM Aug. 20, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of central Pennsylvania, including the following areas, Columbia, Dauphin, Lancaster, Lebanon, Montour, Northern Clinton, Northern Lycoming, Northumberland, Schuylkill, Snyder, Southern Clinton, Southern Lycoming, Sullivan, Union and York. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Periods of heavy rain are expected this afternoon through the evening. Rainfall amounts up to 3 inches are possible. - http://www.weather.gov/safety/flood
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