Please, please be careful the next few days. An excessive heat warning is in effect until Friday evening and will most likely get extended through the weekend. Remember to drink plenty of fluids, and look out for these common symptoms of heat stroke and exhaustion:

Heat Exhaustion and Heat Stroke Symptoms

Heat exhaustion symptoms

  • Often pale with cool, moist skin
  • Sweating profusely
  • Muscle cramps or pains
  • Feels faint or dizzy
  • May complain of headache, weakness, thirst, and nausea
  • Core (rectal) temperature elevated-usually more than 100 F (37.7 C) and the pulse rate increased

Heat stroke symptoms

  • Unconscious or has a markedly abnormal mental status (dizziness, confusion, hallucinations, or coma)
  • Flushed, hot, and dry skin (although it may be moist initially from previous sweating or from attempts to cool the person with water)
  • May have slightly elevated blood pressure at first that falls later
  • May be hyperventilating
  • Rectal (core) temperature of 105 F (40.5 C) or more

Taken from http://www.emedicinehealth.com/heat_exhaustion_and_heat_stroke/page2_em.htm