Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United States.

SIOUX FALLS, S.D. (KELO) — Temperatures in South Dakota are going to get hot as we go through the week. Meteorologist Scot Mundt checked on the last time we’ve hit 100 in KELOLAND. We’ve had ...

South Dakota severe weather watches and warnings The forecast high temperature map for Tuesday, May 13, 2025, shows extreme heat soaring all the way north to the Dakotas.

A growing wildfire in Northern California forced hundreds of people to evacuate Wednesday as a heat wave threatened to make fire conditions worse. In the Midwest, a wildfire kept residents of ...

A heat wave will create "dangerously hot conditions" across eastern South Dakota this weekend, with the heat index expected to hit triple digits.

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

A national forecast map shows high temperatures for ... On Friday, major heat-related impacts are expected in most of Nebraska, Kansas and parts of Colorado, South Dakota and Iowa. Pockets of ...

A growing wildfire in Northern California forced hundreds of people to evacuate Wednesday as a heat wave threatened to make fire conditions worse. In the Midwest, another wildfire kept residents ...

The weather service said Plains states, which include Montana, North Dakota, Wyoming, South Dakota, Nebraska, Colorado, Kansas, New Mexico, Oklahoma and Texas, could see high temperature readings ...

"For people without effective cooling, especially heat-sensitive groups, this level of heat can be deadly." the NWS said.