How Hot Will It Feel? Heat Index Values Could Top 100° Across the Area This Week

The air temperature tells only part of the story this time of year.

While forecast highs will climb into the upper 90s to around 100 degrees across Rowan, Davie, and Davidson Counties later this week, it will actually feel even hotter thanks to the combination of heat and humidity.

That's where the heat index comes in.

What Is the Heat Index?

The heat index, often called the "feels like" temperature, combines the air temperature with the amount of moisture in the air (humidity).

When humidity is high, your body's natural cooling system becomes less effective because sweat doesn't evaporate as quickly. As a result, your body has a much harder time cooling itself, making it feel significantly hotter than the actual air temperature.

What to Expect This Week

The hottest weather is expected from Wednesday through the Independence Day holiday weekend.

Here's what we're expecting:

Wednesday

• High temperatures: Mid to upper 90s
• Heat Index: 98° to 103°

Thursday

• High temperatures: Upper 90s to around 100°
• Heat Index: 102° to 106°

Friday

• High temperatures: Around 100°
• Heat Index: 103° to 108°

Independence Day Weekend

Dangerous heat is expected to continue into the holiday weekend, with afternoon heat index values remaining above 100 degrees in many locations. While isolated storms may eventually return later in the weekend, they are not expected to provide widespread relief from the heat.

Why There's Some Uncertainty

Exactly how hot it will feel depends on afternoon humidity levels.

If humidity remains higher than expected, heat index values could climb well above 105 degrees. If the atmosphere mixes out more during the afternoon, humidity would decrease slightly, keeping heat index values a few degrees lower.

Either way, this will be the hottest stretch of weather we've experienced so far this summer.

Heat Safety Tips

If you'll be spending time outdoors this week:

• Drink water frequently, even if you don't feel thirsty.
• Wear lightweight, light-colored clothing.
• Take frequent breaks in the shade or air conditioning.
• Limit strenuous outdoor activity during the hottest part of the afternoon.
• Never leave children or pets inside a parked vehicle.
• Check on elderly neighbors and family members who may not have reliable air conditioning.

Stay Weather Aware

While Heat Advisories have not yet been issued for our area, they may become necessary later this week if confidence increases that heat index values will consistently meet advisory criteria.

I'll continue monitoring the latest forecast guidance and provide updates if any heat alerts are issued.

If you have outdoor plans this week or during the Fourth of July holiday, be prepared for dangerous afternoon heat and take the necessary precautions to stay safe.