Pittsburgh, PA – Heavy rain and isolated severe thunderstorms could disrupt travel and threaten low-lying areas across western Pennsylvania on Wednesday, with the greatest risk coming from flash flooding.
According to the National Weather Service in Pittsburgh, several rounds of thunderstorms will move into the region starting Tuesday afternoon and continue into Wednesday night. A few storms may become severe, bringing damaging wind gusts and heavy downpours. The entire forecast area faces a Level 2 out of 4 risk for excessive rainfall.
Communities across Allegheny, Butler, Washington, and Westmoreland counties could experience ponding on roads, overwhelmed storm drains, and possible creek flooding. Local emergency managers urge residents to avoid flood-prone routes and prepare for rapidly changing weather conditions. PennDOT may issue travel advisories if flooding becomes widespread.
Drivers are advised to never attempt to cross flooded roadways. If your area is prone to flash flooding, prepare now by clearing gutters, charging devices, and reviewing emergency plans. Isolated strong storms could also bring down trees and power lines.
Storms may persist through late Wednesday evening, and additional watches or warnings could be issued. Stay weather-aware and monitor alerts from NWS Pittsburgh for the latest updates.
