* WHAT. Heat index values up to 107 expected. * WHERE. Portions of central, southeast, southwest, and western Arkansas. * WHEN. From noon today to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 105 to 110 degrees expected. * WHERE. Portions of southeast Arkansas, northeast Louisiana, and western and central Mississippi. * WHEN. From 10 AM this morning to 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

At 1019 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles southeast of Williams Junction to near Mccauley. Movement was south at 45 mph. HAZARD. Wind gusts up to 50 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. Little Rock. Hot Springs. Benton. West Little Rock. Bryant. Hot Springs Village. Mount Ida. Southwest Little Rock. Haskell. Shannon Hills. Mountain Pine. Wickes. Grannis. Traskwood. Hatfield. Norman. Oden. Lonsdale. Vandervoort. Otter Creek.

* WHAT. Heat index values up to 108. * WHERE. Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northwest, south central, southeast, southwest, and west central Mississippi. * WHEN. Until 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

At 1009 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Perryville to 6 miles south of Fourche Valley to Mountain Fork. Movement was south at 30 mph. HAZARD. Wind gusts up to 50 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. Morrilton. Mena. Waldron. Danville. Perryville. Ola. Oppelo. Perry. Oden. Adona. Houston. Beauchamp. Muddy Creek WMA. Carden Bottoms. Polk County Fairgrounds. Fourche Valley. Queen Wilhelmina State Park. Sequoya Park. Cardiff. Little Italy.

At 1006 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Alicia to Kensett to near Pinnacle Mountain State Park. Movement was southeast at 45 mph. HAZARD. Winds in excess of 40 mph. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include. Little Rock. North Little Rock. Sherwood. Jacksonville. Cabot. Searcy. West Little Rock. Maumelle. Downtown Little Rock. Newport. Lonoke. Brinkley. Augusta. Des Arc. Clarendon. Hazen. De Valls Bluff. North Little Rock Airport. Little Rock AFB. Southwest Little Rock.

* WHAT. Heat index values up to 105 expected. * WHERE. Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark, Dallas, Ouachita, and Pike Counties. * WHEN. Until 8 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.