This week's extreme heat rewriting May records

AUSTIN (KXAN) -- Yesterday was hot. Today... we'll be hotter.A Heat Advisory remains in effect until 1 p.m. today. At 1 p.m., this Heat Advisory will be replaced with an Extreme Heat Warning, the highest alert level for heat used by the National Weather Service. High temperatures could reach up to 111° with heat index values up to 112°.Heat Advisory in effect until 1 p.m. WednesdayExtreme Heat Warning in effect 1 p.m. to 9 p.m. WednesdayToday's forecast high of 105° in Austin expecte