Extreme Weather Grips U.S.: Storms, Heat Dome, and Wildfire Smoke
The United States is currently experiencing a range of extreme weather events, including severe thunderstorms, a heat dome, and lingering wildfire smoke. According to the National Weather Service (NWS), thunderstorms on July 20 and 21 are expected to bring flash flooding to parts of the Midwest, Northeast, and Mid-Atlantic regions. Meanwhile, a tropical depression in the Gulf of Mexico is forecasted to strengthen into Tropical Storm Bertha, potentially impacting areas from Texas to the Florida Panhandle with heavy rain and strong winds. A heat wave has settled over the central U.S., with heat indices reaching up to 116°F (46.7°C) in some areas, prompting extreme heat warnings. Additionally, air quality alerts remain in effect across the Great Lakes and Midwest due to smoke from Canadian wildfires, which is expected to persist for several days. (Source: Yahoo, 20 Jul 2026, 16:41:41 GMT)