(KLZA)-- The National Weather Service has issued a Heat Advisory is in effect until 8:00 P.M. Tuesday evening.

In Southeast Nebraska the advisory includes Richardson, Pawnee and Nemaha counties.

In Northeast Kansas the advisory includes Brown, Nemaha, Jackson, Jefferson and Marshall counties.

Heat index values between 102 and 110 degrees are possible due to the combination of hot temperatures and high humidity.

The Occupational Safety and Health Administration recommends people working outside should schedule frequent rest breaks in shaded or air conditioned environments. Be sure to drink plenty of fluids, stay out of the sun and check up on relatives and neighbors.

Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency and if you have the symptoms you should call 9 1 1.