Flood Warning Issued for Allegheny River Ice Jam in Western Pennsylvania
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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A Flood Warning is in effect for Armstrong, Butler, Clarion, and Venango counties until midnight following reports of an ice jam on the Allegheny River near Emlenton.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Western Pennsylvania
- Issued
- April 6, 2026
- Issuing authority
- NWS Pittsburgh PA
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Western Pennsylvania.
Alert Details
The National Weather Service in Pittsburgh has issued a Flood Warning for portions of northwestern and west-central Pennsylvania. This alert is specifically triggered by an ice jam and replaces a previous Flash Flood Warning.
Affected Areas
The warning impacts the following regions in Pennsylvania:
- Southern Venango County
- Northwestern Armstrong County
- Northeastern Butler County
- Western Clarion County
Specific locations expected to experience flooding include Emlenton and Foxburg.
What You Should Do
Residents and travelers in the affected areas are advised to take the following precautions:
- Turn around, don't drown: Do not attempt to drive through flooded roadways. Most flood-related deaths occur in vehicles.
- Stay away from water: Avoid river banks and culverts, as they can become unstable and unsafe during flooding events.
- Monitor surroundings: Be aware that ice jam releases can cause sudden, rapid rises in water levels, leading to a dangerous flash flood situation.
Expected Conditions
At 6:39 PM EST, local law enforcement reported an ice jam on the Allegheny River near Emlenton. Flooding is currently occurring in areas near and downstream of the jam. The primary hazard is the unpredictable nature of the ice; if the jam releases, it could result in a rapid flooding situation for downstream communities.
Timeline
The Flood Warning is effective immediately and is scheduled to remain in effect until 12:00 AM EST on Saturday, February 21.
Original source: NOAA Official Notice ↗
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