National Weather Service United States Department of Commerce

The heat wave continues as the region sees heat indices peak between 100 to 110° during the afternoon hours through Friday. An Extreme Heat Warning for the low land areas and a Heat Advisory across the ridges is in effect and encourages residents to follow heat safety tips.
Thunderstorm chances increase Friday afternoon and evening. Confidence in storm occurrence is increasing, but large variability exists in where AND when they may form. Current guidance suggests at least a Slight Risk (2 out of 5) for severe weather that favors damaging wind.
Thunderstorm chances increase Saturday and generally favor the afternoon to evening hours but large variability exists in the timing, coverage and exact locations for the storms. If conditions do align to heighten severe risks, the most likely impact will be the storms producing damaging wind gusts and large hail.
NWS Pittsburgh has six regional climate sites: Pittsburgh, PA (KPIT); Wheeling, WV (KHLG); Morgantown, WV (KMGW); Zanesville, OH (KZZV); New Philadelphia, OH (KPHD); and DuBois, PA (KDUJ). Additional climate information can be found on our Climate Page.