* WHAT. Heat index values up to 110 expected. * WHERE. Portions of east central Georgia and central South Carolina. * WHEN. From noon today to 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 110 expected. * WHERE. Portions of southeast Georgia and southeast South Carolina. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Isolated to scattered late afternoon showers and thunderstorms could provide relief for some areas prior to 7 PM.

* WHAT. Heat index values up to around 110. * WHERE. Portions of southeast Georgia and southeast South Carolina. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Portions of southeast Georgia, including the following areas, Coastal Bryan, Coastal Chatham, Coastal Liberty, Coastal McIntosh, Effingham, Inland Bryan, Inland Chatham, Inland Liberty, Inland McIntosh and Long and southeast South Carolina, including the following areas, Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Dorchester, Hampton, Inland Berkeley, Inland Colleton, Inland Jasper and Tidal Berkeley. * WHEN. From Monday afternoon through Monday evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS. - Widespread showers and thunderstorms with torrential rainfall will impact much of Southeast South Carolina and Southeast Georgia Monday afternoon and evening as a cold front drops south into the region. Rainfall amounts of 2 to 4 inches will be possible with localized amounts in excess of 6 inches. The risk for flash flooding may become enhanced around the Monday afternoon high tide. - http://www.weather.gov/safety/flood

* WHAT. Heat index values up to 109. * WHERE. Portions of east central Georgia and central South Carolina. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 109 expected. * WHERE. Portions of southeast North Carolina and northeast South Carolina. * WHEN. From 11 AM this morning to 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses to occur.