TULSA, Okla. (AP) — An excessive heat warning remains in effect for parts of eastern Oklahoma while heat advisories are in place the remainder of the eastern half of the state and in nearly all of Arkansas and parts of northeaster Texas.
The National Weather Service says heat index values of up to 110 degrees are expected Sunday afternoon in more than a dozen east-central Oklahoma counties.
An excessive heat warning for Arkansas was canceled, but a heat advisory remains in place Sunday for nearly the entire state, in addition to the eastern half of Oklahoma and parts of northeast Texas with heat index values expected to reach 105 degrees or more.
Forecasters say there is a slight chance for showers and thunderstorms in the region overnight and moderately cooler temperatures are expected Monday.