Jump directly to the content
WEATHER WARNING

Severe storm threat today with flood watch issued and ‘heat dome’ covering US

SEVERE thunderstorms are forecast to drench the nation's capital today while a second heat dome will send temperatures across the Midwest and South US spiking into the 100s.

Residents in will see hot and muggy conditions on Wednesday morning before a series of showers roll in during the afternoon and evening hours.

A second heat dome will send temperatures across the Midwest and South US spiking over 100 degrees
3
A second heat dome will send temperatures across the Midwest and South US spiking over 100 degreesCredit: AFP
Record high temperatures continue to sear parts of the US
3
Record high temperatures continue to sear parts of the USCredit: Getty
Several states will see temperatures in the triple digits this week
3
Several states will see temperatures in the triple digits this weekCredit: Today show

According to , the first round of showers will strike east of Blue Ridge and along Interstate 95 from 4 to 8pm.

Then, severe thunderstorms will batter the Shenandoah Valley area along Interstate 81 during the evening.

An inch or more of rain is expected to fall in the metro Washington area.

A flood watch is in effect for areas west of Dulles International Airport, parts of Upper Montgomery County and along the Blue Ridge from 3-11pm.

Read more weather stories

Showers could return on Thursday during the first half of the day.

HEAT DOME WARNING

Meanwhile, the year's second heat dome will hover over parts of the Midwest and South this week, sending temperatures spiking into the 100s.

About 70 percent of the US population will experience temperatures in the 90s, while 20 percent of people in the country will see conditions greater than 100 degrees.

More than nine million people were under heat advisory across eight northern and central US states, including , , , , , , and .

The brutal conditions will hit major cities like Minneapolis, , Nashville, , parts of , and .

Experts have warned residents of heat-related illness and are encouraging them to avoid outdoor activities, drink plenty of fluids and seek an air-conditioned environment when possible.

This past weekend saw several break their daily record high temperatures.

New Orleans recorded a high of 97 degrees, and Mobile, Alabama, surpassed its 1913 record of 100 degrees when temperatures clocked at 101 degrees on Saturday.

Read More On The Sun