The National Weather Service in Greenville-Spartanburg, SC has issued a Hazardous Weather Outlook for regions that include northeast Georgia, North Carolina's Piedmont and Foothills, and the Upstate of South Carolina. According to the forecast, there are no immediate concerns for hazardous weather today or tonight. However, the outlook indicates a shift towards scorching temperatures from Wednesday through Saturday with Charlotte metro and the Upper Savannah River Valley expected to bear the brunt of the heat.

Residents and visitors within these areas are advised to be cautious as "Hot and humid conditions are expected Wednesday through Saturday, with high temperatures climbing into the lower to middle 90s," and there is an increased risk for heat-related illnesses. The National Weather Service recommends avoiding to spend prolonged periods outdoors during peak heat times each afternoon when "Maximum heat index values of 100 to 104 degrees are possible."

The detailed forecast provided by the National Weather Service is indicative of an imminent heatwave. Today's weather is expected to be sunny and hot, with a high near 95 degrees. At night, the temperature is predicted to drop to about 71 degrees. As the week progresses, temperatures are projected to soar even higher, especially on Wednesday, with forecasts predicting a high near 98 degrees.

In preparation for the hot and humid conditions, it is essential to stay hydrated and seek air-conditioned environments whenever possible. Local health officials often stress the importance to check on vulnerable populations, such as the elderly and those with pre-existing health conditions, during such weather extremes. There will be a slight chance of showers and thunderstorms Wednesday night, followed by partly sunny days with high temperatures remaining in the 90s for the latter part of the week.