Excessive Heat Warning: What You Need to Know
What is an Excessive Heat Warning?
An excessive heat warning is issued by the National Weather Service (NWS) when the heat index value is expected to reach or exceed 105°F (40.6°C) within the next 12 to 24 hours. The heat index is a measure of how hot it feels when the effects of temperature and humidity are combined.
Who is Most at Risk?
Anyone can be affected by excessive heat, but certain groups are at higher risk, including:
- Older adults
- Young children
- People with chronic health conditions
- People who work or exercise outdoors
How to Stay Safe
There are several things you can do to stay safe during an excessive heat warning:
- Stay hydrated by drinking plenty of fluids, even if you don't feel thirsty.
- Avoid strenuous activity during the hottest part of the day.
- Stay in air-conditioned areas as much as possible.
- If you must go outside, wear loose-fitting, light-colored clothing.
- Take cool showers or baths.
- Check on your neighbors, especially those who are elderly or have health conditions.
Symptoms of Heat-Related Illness
If you or someone you know experiences any of the following symptoms, seek medical attention immediately:
- Heat cramps
- Heat exhaustion
- Heat stroke
