How Heat Advisories Are Issued: What Rowan County’s Alert Means Today

Tuesday, June 24, 2025 – Rowan County Weather

A Heat Advisory is in effect for Rowan County through 8 PM Wednesday, as dangerous heat and humidity continue to grip much of the region. With heat index values expected to exceed 105 degrees both today and tomorrow, many residents are asking what exactly prompts the National Weather Service (NWS) to issue a Heat Advisory — and what that means for our area.

What Is a Heat Advisory?

A Heat Advisory is issued by the National Weather Service when a combination of high temperatures and humidity is expected to create a dangerous situation in which heat-related illnesses are possible. In our region, the threshold for a Heat Advisory is typically reached when the heat index is forecast to be 105°F or higher for at least several hours during the afternoon and early evening.

This advisory is meant to raise awareness, particularly for those who may be at greater risk:

• People without access to air conditioning

• Outdoor workers and athletes

• Young children and the elderly

• Individuals with chronic health conditions

Why Was Rowan County Included Today?

Rowan County falls under the Greenville-Spartanburg NWS office, which issued the advisory based on forecast models showing heat index values in the 105 to 108°F range this afternoon and again on Wednesday. High temperatures near 97°F, combined with dew points in the low to mid 70s, create these oppressive conditions.

The advisory also applies to surrounding counties across the Piedmont and Foothills, with an Excessive Heat Warning issued for some parts of the Carolinas experiencing even more extreme conditions.

What Are the Risks?

Extreme heat is one of the most underestimated weather hazards in the U.S. Prolonged exposure can lead to:

• Heat exhaustion: dizziness, headaches, and heavy sweating

• Heat stroke: a life-threatening condition where the body can no longer regulate temperature

Symptoms of heat-related illness should never be ignored. If you or someone nearby begins to feel lightheaded, weak, or confused, move to a cooler area immediately and seek medical help if symptoms persist.

Tips to Stay Safe

• Limit outdoor activity during peak heat hours (usually 2 PM to 6 PM)

• Drink water regularly, even if you’re not thirsty

• Wear light-colored, loose-fitting clothing

• Never leave children or pets in a parked car, even for a few minutes

• Check on neighbors, especially the elderly or those without air conditioning

Looking Ahead

Temperatures are expected to remain very hot into Wednesday before gradually easing slightly later this week. However, the heat will be replaced by the risk of strong to severe thunderstorms, especially Wednesday afternoon and evening. Rowan County Weather will continue to monitor both the heat and the storm threat and provide timely updates.

For real-time alerts and weather safety updates, follow Rowan County Weather on all platforms.