Wednesday, June 17, 2026, is starting cloudy and cool across Pittsburgh, with readings in the upper 50s this morning and a high expected near 82°F this afternoon. Mostly sunny skies are on tap through the day with a southwest breeze around 6–13 mph, but the calm will not last all night. The main thing to watch is a late-night window for storms that could bring strong gusts and brief heavy rain.
Tonight's Storm Window
Scattered showers and thunderstorms are likely between about 11 p.m. Wednesday, June 17 and 3 a.m. Thursday, June 18, with a 90% chance of precipitation and brief heavy downpours possible. South winds will increase to 7–18 mph with gusts as high as 33 mph, and new rainfall amounts of a tenth to a quarter inch are possible. Forecasters say damaging straight-line wind is the main severe threat overnight, according to the National Weather Service.
Severe Threat And Gusty Thursday
The severe potential lingers into early Thursday, June 18, though guidance has trended a bit drier for the afternoon, with the greatest afternoon severe risk shifting south. Southwest winds will be breezy Thursday afternoon, around 17–22 mph, with gusts up to 39 mph possible, so expect blustery conditions even away from storms. We reported this setup yesterday; see yesterday's storm setup breakdown for background and planning tips.
Commute And Event Impacts
If you will be out late Wednesday or heading into an early Thursday commute, plan for brief heavy rain and sudden wind gusts that can make driving difficult and bring down tree limbs. Thursday morning could see lingering showers, but many afternoon plans should see improving skies and drier air moving in. Friday’s Juneteenth events (Friday, June 19) currently look mostly sunny with a high near 79°F, though a small chance of morning showers means a backup plan is still wise for outdoor gatherings.
Safety Tips
If a severe thunderstorm or tornado warning is issued, move indoors to a sturdy interior room away from windows and avoid driving through flooded streets. Secure loose outdoor furniture and listen for local alerts on phone apps, NOAA Weather Radio, or local broadcasters to get real-time updates. Keep clear of downed trees and power lines and give emergency crews room to work.
We will update this forecast if watches or warnings are posted, so keep an eye on local alerts and the National Weather Service for the latest conditions. Stay safe and plan accordingly for sudden gusts and nighttime storms into Thursday morning.
