Raleigh is heading into a sweltering Sunday, with temperatures climbing from the mid-70s this morning to about 93°F and heat index values reaching 103°F. A Heat Advisory is in effect from 11 a.m. to 8 p.m. as humidity makes the afternoon feel even hotter. Scattered showers and thunderstorms could arrive after 11 a.m., adding a sudden downpour or gusty interruption to weekend plans.
The advisory, issued by the National Weather Service in Raleigh, warns that heat index values could reach 107°F in parts of central North Carolina. Southeast winds near 5 mph will offer little relief, while the storm chance sits around 30% for the day and rises to 40% tonight.
Storms Could Bring Briefly Rough Conditions
Storms are expected mainly from the afternoon into the evening, with showers and thunderstorms possible before 11 p.m. The strongest cells could produce damaging winds, especially across northern parts of central North Carolina, while rainfall amounts generally range from a tenth to a quarter inch.
Monday Looks Hotter Before A Midweek Pause
Monday, August 17, may be the hottest day in the near-term forecast, with a high near 98°F and heat index values up to 106°F under mostly sunny skies. Winds shift west at 5 to 8 mph, and a few late-day or evening storms remain possible as the heat builds.
Tuesday and Wednesday stay sunny to mostly sunny with highs near 94°F, although Wednesday could bring a slight afternoon storm chance. Thursday reaches about 96°F with storms more likely after 2 p.m., so the week’s brief dry stretch comes with plenty of heat.
Rain Chances Rise By Friday
By Friday, August 21, temperatures ease to around 89°F, but the chance of showers and thunderstorms rises to 50%. Saturday stays a little cooler near 88°F, with another 50% chance of rain and storms during the day.
Heat Safety For Sunday
Residents should drink plenty of fluids, take breaks in air conditioning or shade, and check on neighbors who may be more vulnerable to heat illness. Anyone working or exercising outside should avoid the hottest part of the afternoon; if someone shows signs of heat stroke, move them to a cool place and call 911.
