The heat wave across parts the Midwest and East Coast continues on Thursday.

Oppressive heat and humidity remain in parts of the central and southern Plains and Ohio Valley, while the conditions are intensifying across a significant portion of the eastern U.S., the National Weather Service reports.

Temperatures will remain in the 90s and above for much of the Midwest and East Coast.

Excessive Heat Warnings and/or Heat Advisories are in effect from Nebraska, Kansas, Oklahoma and extreme Northern Texas eastward into Ohio and Kentucky. The advisories and warnings are also in effect on the East Coast from Georgia to Maine.

Heat index values will range from 105 to 115 and above from Boston to New York, Philadelphia, Washington and Richmond.

The NWS is urging people in the affected areas to take precautions, including looking out for family members and looking in on elderly neighbors.

The service is asking people to understand warning signs of heat-related illnesses and take precautions by rescheduling strenuous activities to early morning or evening, wearing lightweight and loose fitting clothing when possible and drinking plenty of water.

READ: Heat Wave Spreads From Midwest to NY: At Least 12 Deaths Nationwide