SCATTERED THIN HIGH LEVEL CLOUDS BECAME COMMON ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS AS THE SHOWERS FROM THIS MORNING EXITED THE FORECAST AREA EARLY THIS AFTERNOON. BY LATE AFTERNOON...ISOLATED SHOWERS AND THUNDERSTORMS REDEVELOPED IN SOUTHEAST OKLAHOMA ALONG A WARM FRONT THAT SET UP JUST TO THE WEST OF THE FORECAST AREA. HIGH TEMPERATURES TODAY WERE ABLE TO CLIMB TO 87 DEGREES AT HIGHFILL...ARKANSAS TO 103 DEGREES AT CLAYTON...OKLAHOMA. WINDS THIS AFTERNOON CONTINUED OUT OF THE EAST AND SOUTHEAST AT 5 TO 15 MPH. BY MID EVENING...SKIES WERE MOSTLY CLEAR TO PARTLY CLOUDY WITH WINDS OUT OF THE SOUTHEAST AT 5 TO 10 MPH THROUGHOUT THE REGION. THE FEW ISOLATED THUNDERSTORMS THAT HAD REDEVELOPED...DISSIPATED BY EARLY EVENING WITH THE LOSS OF DAY TIME HEATING. TEMPERATURES ACROSS THE FORECAST AREA THIS EVENING VARIED FROM THE LOW TO UPPER 80S. FOR THE REST OF TONIGHT...MOSTLY CLEAR TO PARTLY CLOUDY SKIES AND SOUTHERLY WINDS AT 5 TO 15 MPH ARE FORECASTED FOR THE REGION. TEMPERATURES OVERNIGHT LOOK TO BE IN THE LOWER 70S FOR NORTHWEST ARKANSAS TO THE MID 70S FOR THE MAJORITY OF EASTERN OKLAHOMA. CHANCES OF SHOWERS AND THUNDERSTORMS TO INCREASE THROUGHOUT THE DAY TOMORROW AS A COLD FRONT PUSHES INTO AND THROUGH THE REGION. TEMPERATURES TOMORROW LOOK TO BE WARMER BEHIND THE WARM FRONT AS HIGHS CLIMB INTO THE LOWER 90S FOR NORTHWEST ARKANSAS TO THE UPPER 90S...AROUND 100 FOR EAST CENTRAL AND SOUTHEAST OKLAHOMA. THIS WILL ALLOW FOR HEAT INDEX VALUES TO REACH UP TO AROUND 105 DEGREES FOR PORTIONS OF EAST CENTRAL OKLAHOMA. $$