105-Degree Heat Index Brings Warnings In MD To Start Scorching Week

MARYLAND — Maryland won't get a break from the heat this week. A heat advisory was issued to warn of sizzling temperatures on Monday.

"Real-feel" temperatures could eclipse 100 degrees on Monday and Tuesday. Highs are in the 90s every day until Thursday.

The heat brings daily chances of spot thunderstorms until Saturday.

The National Weather Service expects heat index values up to 105 degrees Monday and 104 degrees Tuesday.

"Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors," the National Weather Service said in its heat advisory. "Young children and pets should never be left unattended in vehicles under any circumstances."

The heat advisory lasts from noon to 8 p.m. on Monday.

The advisory covers portions of central, northcentral, northeast, northern and southern Maryland, the District of Columbia and central, northern and northwest Virginia.

Communities covered by the advisory include: Carroll, Baltimore, Prince George's, Anne Arundel, Charles, St. Marys, Calvert, Montgomery, Howard, and Harford counties.

Cities in the advisory include Frederick, Eldersburg, Westminster, Reisterstown, Cockeysville, Elkton, Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn, Severna Park, Arnold, Odenton, St. Charles, Waldorf, Lexington Park, California, Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby, Prince Frederick, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, and Aberdeen.

"Take extra precautions if you work or spend time outside," the advisory said. "When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke."

The National Weather Service warned that the high temperatures and steamy humidity could cause heat-related illness.

"Wear lightweight and loose fitting clothing when possible," the advisory said. "To reduce risk during outdoor work, the 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! Call 9 1 1."

Here is the National Weather Service's seven-day forecast at Baltimore/Washington International Thurgood Marshall Airport:

Monday: Isolated showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

Monday Night: Partly cloudy, with a low around 77. Southeast wind 3 to 7 mph.

Tuesday: A slight chance of showers before 11am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 104. South wind 3 to 8 mph. Chance of precipitation is 30%.

Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76. South wind 5 to 8 mph. Chance of precipitation is 30%.

Wednesday: A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 96. South wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 50%.

Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.

Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Saturday Night: A chance of thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Sunday: Sunny, with a high near 94.