Morning fog lingers in river valleys but should clear to a mostly sunny day. Highs near 879F today, rising into the lower 90s by midweek.

Foggy start, then a Flood Watch Friday, July 10. Heavy storms may cause flash flooding and slow commutes.

Clear and muggy this morning with highs near 88°F and scattered afternoon storms possible. Greatest coverage expected south of I‑70; drier weather returns Sunday.

Fog will slow the Wednesday morning commute, then heat builds into the upper 80s with isolated afternoon storms. Expect wetter, heavier rain by Friday.

Dense fog this morning across river valleys. Scattered afternoon storms with highs near 86°F.

Mayor Jondavid Longo signed a seven‑day disaster declaration after storms flooded Slippery Rock and closed roads. Officials urged residents to avoid floodwaters while crews clear hazards.

Dense fog this morning, then a Flood Watch and slow‑moving thunderstorms expected Monday afternoon and evening. Watch for flash flooding and slow commutes.

Dense fog cuts Sunday morning visibility in Pittsburgh; showers and thunderstorms are likely later with pockets of heavy rain and localized flooding risk.

High heat and humidity Saturday with heat index over 100°F. Evening storms could disrupt outdoor plans; cooling centers are open.

Extreme Heat Warning through Saturday; highs near 97°F and heat indices over 100. Cooling centers open and storms possible on July 4.

Pittsburgh is under an Extreme Heat Warning through Friday with highs near 97°F and little overnight relief. Cooling centers are open across the city and storm chances rise over the July 4 weekend.

Pittsburgh is under an Extreme Heat Warning with highs near 100°F and heat indices up to 110°F. Cooling centers are open across the city.

Pittsburgh is under a multi-day heat advisory with highs near 100°F. CitiParks has opened cooling centers and officials urge precautions.