A live snapshot: flash flood warning active across the Ohio–Pennsylvania–West Virginia tri-state corner
A Flash Flood Warning is active right now across east central Ohio, southwestern Pennsylvania, and the northern West Virginia panhandle, issued by the National Weather Service office in Pittsburgh, PA. Doppler radar indicated thunderstorms producing heavy rain across the warned area overnight, with between 1 and 1.5 inches of rain already fallen — and flash flooding is ongoing or expected to begin shortly. For restoration teams, this is the exact scenario that fills the morning schedule: interior water intrusion, flooded basements, and saturated ground-level living spaces across multiple counties at once.
This is a live snapshot as of 3:10 AM EDT, Sunday, September 20, 2026. Conditions change fast — always verify with the National Weather Service for your specific county or ZIP code.
East Central Harrison County, Ohio — Flash Flood Warning
Issued by the National Weather Service in Pittsburgh, PA, at 2:48 AM EDT on Sunday, September 20, 2026, and in effect until 5:45 AM EDT. At 2:48 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Source of this information: radar indicated.
The National Weather Service warns of flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Named locations in the warning path include Smithfield, Adena, and Franklin.
Official links: NWS Pittsburgh, PA office page and the alert source.
Southern Jefferson OH County — Flash Flood Warning
Issued by the National Weather Service in Pittsburgh, PA, at 2:48 AM EDT on Sunday, September 20, 2026, and in effect until 5:45 AM EDT. At 2:48 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Source: radar indicated.
Expected impacts: flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Named locations in the warning path include Mingo Junction, Adena, and Smithfield.
Official links: NWS Pittsburgh, PA office page and the alert source.
West Central Washington County, Pennsylvania — Flash Flood Warning
Issued by the National Weather Service in Pittsburgh, PA, at 2:48 AM EDT on Sunday, September 20, 2026, and in effect until 5:45 AM EDT. At 2:48 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Source: radar indicated.
Expected impacts: flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Named locations in the warning path include McMurray, Washington, Canonsburg, Avella, Wolfdale, McGovern, East Washington, Houston, Eighty Four, and Hickory.
Official links: NWS Pittsburgh, PA office page and the alert source.
Brooke County, West Virginia — Flash Flood Warning
Issued by the National Weather Service in Pittsburgh, PA, at 2:48 AM EDT on Sunday, September 20, 2026, and in effect until 5:45 AM EDT. At 2:48 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Source: radar indicated.
Expected impacts: flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Named locations in the warning path include Wellsburg, Follansbee, Hooverson Heights, and Bethany.
Official links: NWS Pittsburgh, PA office page and the alert source.
Stay safe tonight
The National Weather Service instruction is direct: 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. Never drive through flooded roadways — water depth and roadbed damage are impossible to judge after dark, and it takes very little moving water to sweep a vehicle away.
If water enters the home: stay out of standing water where electricity may be present; avoid the basement until water recedes and power is confirmed off. Photograph everything before cleanup — water lines on walls, damaged flooring, wet belongings — because documentation matters for insurance claims. Then call a local restoration contractor. Water left sitting starts a second wave of damage within a day, as saturated materials wick moisture into places the floodwater never visibly reached.
What this means for restoration teams
This is a signature overnight water event: radar-indicated heavy rain falling between 1 and 1.5 inches before 3 AM, across four counties in two Ohio counties, one Pennsylvania county, and the northern West Virginia panhandle. The damage categories local contractors should expect by morning are interior water intrusion from overwhelmed drainage, saturated drywall and insulation on ground floors and basements, sewage backup in low-lying areas, and urban flooding around highways and underpasses. Mold risk on soaked porous materials begins within 24 to 48 hours, so the clock on proper drying starts the moment water recedes.
The play for teams in the Ohio Valley and southwest PA corridor: stage equipment now, pre-position drying assets and dehumidifiers, and keep an on-call rotation through the morning. The first wave of calls typically arrives shortly after daybreak, when homeowners walk into flooded basements and businesses open doors on standing water. On that first call, capture the address, the water source (rising creeks, overwhelmed storm drains, or backed-up sewer), and every affected area — intake quality here decides whether the crew rolls prepared.
Field discipline for a flash-flood morning: photo-document everything before mitigation begins, moisture-map every affected room (not just the ones with visible water), and keep the homeowner’s payment responsibility clear in writing before work starts. Multi-county events like this one produce a long tail — expect discovery calls for days as people return home and find damage they didn’t see in the dark.
Local emergency contacts
In a life-threatening emergency, call 911. For non-emergency emergency-management inquiries in the warned counties:
- Brooke County, WV — Brooke County Emergency Management: 304-737-3660, ext. 1 (per the West Virginia Emergency Management Division’s official local non-emergency contact directory, emd.wv.gov)
- Washington County, PA — Washington County Emergency Management: 724-228-6911 (listed on the county’s official site listing, 100 W Beau St, Washington, PA)
- Jefferson County, OH — Ohio Emergency Management Agency: 614-889-7150 (24/7, per the Ohio Emergency Alert System plan documentation); no county-level EMA number independently verified at press time, so 911 remains the primary emergency line
Harrison County, OH — no county-level EMA number could be confirmed from an official source at press time; Ohio Emergency Management Agency (614-889-7150, 24/7) or 911 are the reliable lines
These are non-emergency numbers for preparedness, alerts, and recovery information — call 911 for anything life-threatening.
FEMA & federal assistance
If this storm causes damage that insurance doesn’t fully cover, federal help may be available after a disaster declaration. The FEMA Helpline is 1-800-621-3362, open 7 a.m. to 10 p.m. local time, seven days a week. You can also apply online at DisasterAssistance.gov, through the FEMA mobile app, or in person at a Disaster Recovery Center listed at fema.gov/drc.
Basic eligibility typically requires U.S. citizenship or qualified status, identity verification, proof of occupancy or ownership of the damaged home, and unmet needs not covered by insurance. Apply as soon as it’s safe to do so — and keep every receipt and photograph, because documentation drives the assistance decision.
Looking ahead
This warning expires at 5:45 AM EDT on Sunday, September 20, 2026. What to watch overnight and into Sunday morning: additional rounds of rain can renew flooding even after one line of storms passes, and small creeks and streams can crest later than the heaviest rain, so low-lying roads and poor-drainage areas stay risky past the expiry time. The next update will come from the National Weather Service Pittsburgh office — check weather.gov/pbz for the current picture for your specific county or ZIP code.
Demand window for restoration operators: water-intrusion calls typically start within hours of water receding and keep coming for days as people discover damage. A multi-county overnight event like this one — with 1 to 1.5 inches already down by 2:48 AM — is the kind of morning that keeps drying trucks rolling all week. Teams that staged equipment overnight are first in the door.
Sources & how to verify
Every fact in this post comes from official sources: the National Weather Service alert and the NWS Pittsburgh, PA office page. To verify conditions for your own county or ZIP code, go to weather.gov and enter your location, or check the NWS Pittsburgh office page directly.
This post is for informational purposes and is not an official weather warning. Always follow instructions from local authorities and the National Weather Service.
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