* WHAT. Heat index values up to 106 degrees expected. * WHERE. In North Carolina, Caswell County. In Virginia, Appomattox, Buckingham, Campbell, Charlotte, Halifax, and Pittsylvania Counties. * WHEN. From 11 AM this morning to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 105. * WHERE. In North Carolina, Caswell County. In Virginia, Appomattox, Buckingham, Campbell, Charlotte, Halifax, and Pittsylvania Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and humidity may cause heat illnesses.

* WHAT. Heat index values up to 109. * WHERE. A portion of central North Carolina. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerously hot conditions with heat index values up to 110 to 115. * WHERE. A portion of central North Carolina. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat-related illnesses increase significantly during extreme heat and high humidity events.

SVRRAH The National Weather Service in Raleigh has issued a * Severe Thunderstorm Warning for. Southern Granville County in central North Carolina. Northeastern Wake County in central North Carolina. Southern Durham County in central North Carolina. Southwestern Franklin County in central North Carolina. * Until 715 PM EDT. * At 631 PM EDT, severe thunderstorms were located along a line extending from near Durham to 7 miles west of Wake Forest to 7 miles east of Raleigh, moving northeast at 25 mph. HAZARD. 60 mph wind gusts and nickel size hail. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. * Locations impacted include. Raleigh, Durham, Creedmoor, Wake Forest, Butner, Zebulon, Franklinton, RDU International, Knightdale, and Wendell.

At 649 PM EDT, severe thunderstorms were located along a line extending from 8 miles east of Durham to near Wake Forest to 8 miles west of Zebulon, moving northeast at 30 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Raleigh, Durham, Creedmoor, Wake Forest, Butner, Zebulon, Franklinton, Knightdale, Rolesville, and Youngsville.

At 701 PM EDT, severe thunderstorms were located along a line extending from near Creedmoor to near Wake Forest to 6 miles northwest of Zebulon, moving northeast at 25 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Creedmoor, Wake Forest, Butner, Franklinton, Rolesville, Youngsville, Pilot, Falls Lake State Rec Area, Falls Lake, and Falls Lake Boat Ramp.

FFWRAH The National Weather Service in Raleigh has issued a * Flash Flood Warning for. Southern Durham County in central North Carolina. Central Wake County in central North Carolina. * Until 845 PM EDT. * At 640 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Raleigh, Durham, Cary, Wake Forest, RDU International, Morrisville, Knightdale, Rolesville, Falls Lake Boat Ramp, William B Umstead State Park, Rollingview Marina, Falls Lake State Rec Area, Falls Lake, Research Triangle, Bethesda, Gorman, Parkwood and Jordan Lake.

FFWRAH The National Weather Service in Raleigh has issued a * Flash Flood Warning for. East Central Chatham County in central North Carolina. Southwestern Wake County in central North Carolina. * Until 800 PM EDT. * At 557 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Raleigh, Cary, Garner, Fuquay-Varina, Apex, Holly Springs, Morrisville, New Hill, Carpenter, Lake Wheeler, Harris Lake Boat Launch, Shearon Harris Reservoir and Jordan Lake.