Severe · Flood WarningThis alert has expired. It is kept for reference.
Flood Warning issued September 3 at 3:23AM EDT until September 3 at
Affecting Northumberland, PA; Snyder, PA; Union, PA
In effect until: Sep 3, 2026, 10:00 AM
Northumberland, PA; Snyder, PA; Union, PA
Likely impact across 3 counties in PA; effects through 10:00 AM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall is expected. This warning replaces the Flash Flood Warning. * WHERE...Northumberland County in central Pennsylvania... Snyder County in central Pennsylvania... Southeastern Union County in central Pennsylvania... * WHEN...Until 600 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 321 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 2 and 5 inches of rain have fallen. - Additional rainfall amounts up to 1.5 inches are possible in the warned area. - Some locations that will experience flooding include... Sunbury, Shamokin, Mount Carmel, Lewisburg, Selinsgrove, Northumberland, Kulpmont, Winfield, Elysburg, Fairview- Ferndale, Trevorton, Shamokin Dam, Linntown, Marshallton, Hummels Wharf, Middleburg, McClure, Montandon and Kreamer. - http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™