Millions across the Midwest, South, and Northeast prepare for potential record-breaking temperatures this week as heat alerts are issued nationwide.

The National Weather Service has issued an extreme heat watch for northwest Missouri for Tuesday afternoon through Thursday evening.

Tuesday could end up being the hottest of the week, according to forecasters, with some spots in south Alabama getting uncomfortably close to 100 degrees. Here are the expected highs for Tuesday: The rest of the week is expected to be hot, but not as hot, according to weather service forecasts.

CNN is tracking extreme heat conditions for Americans each day. See where the risks are greatest — and where high temperature records might be broken.

The National Weather Service may send a survey team on Sunday or Monday to determine whether a funnel cloud hit the ground, becoming a tornado.

The National Weather Service released a heat advisory at 11:25 a.m. on Sunday valid for Monday between 10 a.m. and 7 p.m. for Washington, Escambia, Mobile and Baldwin counties.

While the National Hurricane Center's map is lit up with a tropical disturbance, Saturday's forecast is much more about the heat index.

NWS Milwaukee issues a Hazardous Weather Outlook for Wisconsin, warning of moderate risks, potential heat waves, and thunderstorms.

When Hurricane Milton shredded Tropicana Field’s roof last fall, it made Rays home games susceptible to Florida’s summer weather for the first time in franchise history. On Sunday afternoon at Steinbrenner Field,