Emlenton, Pa. – An ice jam triggered a flash flood warning in Clarion and Venango counties Friday.
According to the National Weather Service in Pittsburgh, a Flash Flood Warning remains in effect for Emlenton and Foxburg until 11:45 a.m. EST Friday, Feb. 20, 2026. The warning was issued due to an ice jam along the Allegheny River, which can cause rapid rises in water levels and localized flooding.
The impacted area includes communities near Interstate 80 and low-lying roadways close to the river. Officials warn that ice jams can quickly force water out of banks, creating hazardous conditions for motorists and residents in flood-prone zones.
The NWS advises residents to move immediately to higher ground and avoid walking or driving through floodwaters. Even shallow water can stall vehicles or hide debris and ice beneath the surface. Emergency responders in the Emlenton area are monitoring river conditions.
The alert area has an estimated population of 945 residents, including one school and no hospitals within the defined impact zone. Low-lying streets and river-adjacent properties are considered most vulnerable if water levels continue rising.
Morning commuters along I-80 and nearby local routes may encounter detours or standing water if conditions worsen.
Ice jams occur when broken river ice accumulates and restricts flow, causing upstream flooding. Conditions can change rapidly depending on temperature fluctuations and ice movement.
Residents are urged to monitor additional updates from the National Weather Service and local emergency management officials as the situation develops.
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