Monday will be an extremely hot day in Isle of Wight and Surry counties, according to the National Weather Service office in Wakefield.

Isle of Wight is also under a severe thunderstorm warning, which will extend until 5 p.m.

The NWS has issued a heat advisory from 10 a.m. to 8 p.m. Monday, July 3 as heat index values are expected to be up to 107 degrees.

According to the NWS warning, radar indicated severe thunderstorms moving northeast at 30 mph from Windsor and near downtown Suffolk. Wind gusts at 60 mph, which could down power lines and trees, and continuous cloud-to-ground lightning are forecast.

“Move indoors immediately,” the NWS warning states. “Lightning is one of nature’s leading killers.”

The weather service forecast for Smithfield calls for a high of 93 degrees with showers and thunderstorms likely, mainly after 4 p.m. Southwest winds are expected to be 11 mph. Chance of precipitation is 30% this afternoon and 50% this evening. New rainfall amounts of between a quarter to half an inch are expected.

During Monday’s head advisory, NWS said the hot temperatures and high humidity may cause heat illnesses to occur.

They urge local residents to prepare by drinking plenty of fluids, staying in an air-conditioned room, staying out of the sun, and checking up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances, NWS said in the warning.

Take extra precautions if you work or spend time outside, according to the weather service warning. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the federal Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. 

Anyone overcome by heat should be moved to a cool and shaded location.

Heat stroke is an emergency, NWS said. Call 911.

The forecast for Independence Day shows another hot day with a high of 91 expected. The chance of precipitation July 4 is 20%, mainly after 2 p.m. The storms may bring heavy rain and frequent lightning.