Active Alerts Big Canyon, OK

Drink plenty of fluids, stay in an air-conditioned room, stay out ofthe sun, and check up on relatives and neighbors.

* WHAT...For the first Heat Advisory, heat index values up to 108.For the second Heat Advisory, heat index values up to 110 expected.* WHERE...Portions of east central, southeast, and southern Oklahoma.* WHEN...For the first Heat Advisory, until 7 PM CDT this evening.For the second Heat Advisory, from noon to 9 PM CDT Monday.* IMPACTS...Hot temperatures and high humidity may cause heatillnesses.