Severe storms could hit Friday in Illinois, but don’t cancel your plans just yet. Here’s Why – NBC Chicago
With all the warm, humid air lingering around the Chicago area this week, thunderstorms could potentially kick in Friday afternoon, but don’t cancel your evening plans just yet.
The warm air mass that led to record temperatures and heat indices in the 90s and 100s hovered over the region throughout the week, and forecast models show it will likely stay for another day. Friday, bringing warmer temperatures. and wet conditions throughout the region.
During Friday afternoon, a strong line of showers and thunderstorms are expected to develop west of NBC viewing area 5, and radar imagery shows a potential good level of thunderstorm organization. .
However, as they approach the area, the high pressure and warm air in place will act as a dome, inhibiting the ability of thunderstorms to develop vertically.
During the Friday afternoon event, storms approaching from the west are expected to weaken significantly as they encounter the air mass that is still stationed over the Chicago area.
However, everything must come to an end and this air mass will finally be dislodged this weekend, bringing cooler air and the possibility of showers and thunderstorms to the area.
Some thunderstorms could develop as the air begins to cool on Saturday, and Sunday could see the arrival of a rapidly moving system from the west as a more normal weather pattern returns to the Midwest.