Weather Alerts For Saint Helena Island, SC
Heat Advisory
-# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM EDT TUESDAY # DETAILS -------------------- WHAT Heat index values up to 110 expected. WHERE Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Inland Berkeley, and Tidal Berkeley Counties. WHEN From 11 AM to 7 PM EDT Tuesday. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Monday, July 6, 2026 at 6:48 PM EDT ISSUED BY National Weather Service Charleston SC HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. # AREAS AFFECTED -------------------- Beaufort, Charleston, Coastal Colleton, Coastal Jasper, Inland Berkeley, Tidal Berkeley Including the cities of Daniel Island, Mount Pleasant, Beaufort, Chelsea, North Charleston, Goose Creek, Moncks Corner, Jasper, Charleston, Edisto Beach, Hilton Head Island, and Levy
Severe Storm Risk
-There is a Marginal Severe Storm Risk for your location. Continue reading for today's outlook from the National Weather Service's Storm Prediction Center. -------------------- National Severe Storm Outlook THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE UPPER MISSISSIPPI VALLEY...THE ARKLATEX...AND CENTRAL VIRGINIA INTO EXTREME NORTHERN NORTH CAROLINA SUMMARY Widely scattered severe thunderstorms capable of large hail and severe wind gusts remain possible across the eastern Dakotas and western Minnesota this afternoon and evening. Isolated to scattered damaging wind gusts will also be possible with the strongest storms in the southern Mid-Atlantic, Carolinas, and ArkLaTex regions. 20Z Update The previous forecast (see below) remains on track, with only minor changes made to the thunder and severe probabilities to reflect the latest observations and numerical guidance consensus.