Foggy Saturday gives way to a warm, stormy Sunday. Severe storms possible during the evening commute.

Three Rivers Waterkeeper says it will sue U.S. Steel over oily sheens on the Monongahela River, arguing state enforcement and a consent order haven’t stopped repeated discharges. Local monitors and regulators now face a potential court test of the cleanup plan.

Cool, cloudy Thursday with a slight early-afternoon shower possible. A warm surge arrives Friday–Sunday with higher rain chances and a chance of storms Friday night.

Warmer winters and longer frost‑free stretches are giving trees and grasses more time to pollinate, meaning an earlier, harsher allergy season for Pittsburgh.

A fast-moving front brings heavy rain and 40–50 mph gusts this morning, then a flip to snow on higher ground tonight. Expect slick evening commutes.

Gusty southeast winds are expected Sunday afternoon with Wind Advisories in the highlands. A cold front brings rain and possible severe storms late tonight, then a brief switch to snow Monday night.

Sunny Saturday then a warm, windy Sunday; a sharp cold front Monday night will bring a brief rain-to-snow change and gusty winds.

Residents near the Sherwin‑Williams Rochester plant report a persistent chemical odor; state inspectors flagged missing pollution controls at the facility. Neighbors say the smell is affecting daily life inside homes.

Gusty south winds and a brief rain-to-snow mix arrive Friday in Pittsburgh; gusts could reach 50 mph and highs will climb into the mid-50s.

Wind Advisory for Friday: gusts up to 50 mph possible. Secure outdoor items and expect a blustery commute.

Thunderstorms and gusty winds will hit Pittsburgh Wednesday, with heavy downpours and localized flooding possible.

Warm Tuesday gives way to storms Wednesday that could bring damaging winds and isolated tornadoes. Rain may change to snow late week with gusty conditions.

Sunny and mild Monday with highs near 69°F; thunderstorms with a severe risk arrive Wednesday. Plan for gusty winds and changing conditions midweek.