During a thunderstorm, EE was at desk in scale house doing paperwork. Lightning struck nearby radio tower & power went off. The floor was damp due to heavy rain. About 5-10 min later, EE began to tingle & burn. EE went to ER that evening and they treated for burn of nerve endings from waist up. Administered steroids and Benadryl by IV. EE was discharged with no further treatment.