Pittsburgh prepares for a heat wave with temperatures nearing 90 degrees

In the Pittsburgh area, weather patterns are shifting after several days of rain. A cold front is expected to move through the region, bringing comfortable air as early as Wednesday. This change follows a period marked by hot and humid conditions, with June recording temperatures 3.4 degrees above average and an additional rainfall of 1.45 inches. Following the front, most of the area will experience drier weather. Tasks such as car washing should ideally be accomplished before tomorrow to avoid long lines at local car wash facilities. For the 4th of July, conditions are expected to be sunny and comfortable with highs reaching the mid-80s. However, isolated thunderstorms may occur earlier today due to a weak upper-level disturbance, particularly affecting I-80 counties. Storms may include hail and strong winds, but should diminish significantly by evening. Outdoor activities and fireworks on Independence Day are not expected to be hindered by adverse weather issues. As the weeks progress, a warm air mass will set in, providing much higher temperatures. By Saturday and Sunday, the area will see temperatures spike to the upper 80s and potentially nearby 90 degrees. This upcoming heat will be brief compared to previous temperature surges but will still bring challenges as summer storms could result in downbursts and small hail. Residents are advised to prepare for these weather changes, particularly with activities over the holiday weekend. While some individuals may still face isolated storms leading into the holiday, the general forecast suggests a shift towards more stable and pleasant weather, inviting outdoor recreational opportunities before the heat sets in.