Pittsburgh, Pa. – Scorching heat will grip western Pennsylvania by midday Tuesday as heat index values soar past 105°F, triggering health concerns and prompting safety alerts across the region.
According to the National Weather Service in Pittsburgh, an Extreme Heat Warning remains in effect until 8 p.m. Wednesday for Allegheny, Butler, Beaver, Washington, Fayette, and Westmoreland counties. The worst heat is expected Tuesday afternoon, with “feels-like” temps nearing 107°F around Pittsburgh and along I-376. Residents are urged to limit outdoor activity, stay hydrated, and check on vulnerable neighbors.
While Tuesday brings the peak of the heat, relief may come with risk. Thunderstorms are likely Tuesday after 2 p.m., with damaging wind gusts possible into the evening. Storm chances increase again Wednesday afternoon, raising the threat for localized flash flooding. New rainfall amounts could reach over half an inch in isolated areas.
The Pennsylvania Department of Environmental Protection has also issued a Code Orange Air Quality Alert for Tuesday, impacting sensitive groups including children, seniors, and those with heart or lung conditions. Staying indoors and avoiding strenuous activity is advised.
Five-Day Pittsburgh Forecast (June 24–28):
- Tuesday: High 96°F, heat index up to 107°F. Storms likely after 2 p.m.
- Wednesday: High 93°F. More storms after 11 a.m., 50% rain chance.
- Thursday: High 92°F. Storms likely, especially after 2 p.m.
- Friday: High 92°F. Afternoon thunderstorms expected.
- Saturday: High 89°F. Rain and thunder possible all day.
