Excessive Heat On The Way

Heat domes develop when moisture combined with extreme high temperatures create more heat over a large area.

Forecasters warned residents of the Midwest of a phenomenon known as a “heat dome”.

Dangerously hot. It could be so hot that parts of Minnesota could see 100-degree temperatures later this week and it will feel even hotter.

High temperatures will likely reach well into the 90s each day with heat index values exceeding the century mark in many locations, the weather service said. Know the signs and symptoms of heat exhaustion and heat stroke.

Hot air masses expand, and elevate pressure surfaces, while cold air masses are more dense and compact, which lowers them.

Everyone is advised to drink plenty of fluids, stay out of the sun, stay in an air-conditioned room and to check on relatives and friends, according to the weather service.

Brandon Drake, a meteorologist with the weather service in Topeka, Kansas, says the high temperatures aren’t unusual for the region this time of year.

The heat will spread into the Northeast by next weekend.

The combination of heat and humidity means there will be a chance of thunderstorms popping up in the afternoon and evening. “As a result, this may be one of the worst heat waves in the last few decades”.

The temperature in Washington, D.C., has a chance to surge above the century mark for the first time in nearly four years later this week.