Heat advisory and excessive heat warnings across the country could blast some states with temperatures above 100 degrees throughout the week.

States that could be affected include California, Arizona, Nevada, Texas, and Missouri. On Monday, temperatures reached 113 degrees Fahrenheit in Redding, California; 115 degrees in Palm Springs; 111 degrees in Las Vegas; and 115 degrees in Phoenix.

The heat is also expected to creep over to the mid-Atlantic and Northeast on Tuesday and Wednesday. Temperatures could reach 92 degrees in Washington, D.C., and Philadelphia, and 91 degrees in New York.

"Sweltering heat continues in Texas today, while dangerous heat expands into the Desert Southwest and parts of California and Oregon," the National Weather Service said on Monday.

"Above-normal to record-breaking temperatures are forecast to continue through midweek across portions of the southern Plains. Heat Advisories and Excessive Heat Warnings remain in effect across a large portion of Texas, where heat indices are expected to soar well above 100 degrees once again tomorrow," NWS added.

Excessive heat can be dangerous and cause heat exhaustion, heatstroke, and possible fainting.

To avoid these dangerous effects of the heat, the public is advised to use sun protection, stayed hydrated, and stay in cool places.

Signs of heat exhaustion include feeling lightheaded, excessive sweating, looking pale, feeling clammy, nausea, vomiting, rapid or weak pulse and muscle cramps.

The signs of heat stroke include a throbbing headache, no sweating, red or dry skin, nausea or vomiting, rapid and strong pulse or losing consciousness, according to The Weather Channel.

RELATED STORIES