Pittsburgh, PA – Western Pennsylvania is bracing for dangerous heat and strong thunderstorms Friday, July 25, with travel disruptions and flash flooding possible. Storms could fire up after 2 p.m., impacting the evening commute across Allegheny County and surrounding areas, including I-376 and Route 28.
According to the National Weather Service in Pittsburgh, heat index values may top 98°F Friday afternoon before thunderstorms move in with heavy downpours. Flash flooding is a concern in low-lying areas and neighborhoods with poor drainage. Rainfall rates could exceed one inch per hour in isolated cells. Residents should avoid flooded roads and monitor alerts closely.
Localized flooding risks continue into Friday night, with additional rounds of storms expected after 8 p.m. Winds may gust up to 20 mph during stronger cells. Storm activity is likely to persist through Saturday evening, with rainfall totals potentially exceeding 2 inches in some spots.
By Sunday, skies clear slightly, but another round of storms is likely after 2 p.m., continuing into Sunday night. Temperatures remain hot, with highs near 90°F throughout the weekend.
Looking ahead, next week brings some relief. Monday and Tuesday will stay warm, but storm chances drop to 30%. By Wednesday, showers return with highs in the upper 80s.
Five-Day Forecast for Pittsburgh (July 25–30):
- Friday: Thunderstorms likely after 2 p.m., high 91°F. Flash flooding possible.
- Saturday: Showers, possible thunder, high near 91°F. Storms continue into night.
- Sunday: Partly sunny, high near 90°F. Storms likely after 2 p.m.
- Monday: Mostly sunny, high near 89°F. Chance of evening storms.
- Tuesday: Hot with scattered showers. High 94°F, chance of storms after 2 p.m.
