Heat Advisory in Effect for Denison as Temperatures Soar - Jul 28, 4 PM

*As of Jul 28, 4 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions that require caution. The National Weather Service has issued this moderate-severity alert due to the intense warmth expected to persist through the evening. Right now, the air temperature stands at 99F, but the combination of heat and humidity makes it feel like 103F.

The relative humidity is at 35%, with a dew point of 66F. Winds are light, blowing from the south at 6 mph with gusts reaching 10 mph, under a clear sky.

The official forecast indicates that heat index values will climb as high as 109F during the day. Today is expected to be sunny with a high near 102F. There is no chance of precipitation, and the low will drop to near 80F.

Overnight, skies will turn partly cloudy, but the heat will linger. Temperatures will remain around 80F initially, rising to approximately 82F later in the night. The heat index will continue to reach 109F, with south winds around 5 mph.

Looking Ahead

Tomorrow will bring mostly sunny skies with a high near 101F. The chance of precipitation is minimal at 3%. Heat index values are forecast to hit 109F again, with south southwest winds around 5 mph.

As tomorrow night approaches, skies will become mostly clear. Lows will settle around 80F, with temperatures rising to about 82F overnight. The heat index will slightly decrease to 108F, accompanied by south southeast winds around 5 mph.

The Heat Advisory remains active until July 29 at 8:00PM CDT. During this period, the risk of heat-related illnesses increases significantly. It is critical to stay hydrated by drinking plenty of water, even if you do not feel thirsty.

Limit outdoor exertion, especially during the midday hours when the sun is strongest. Check on neighbors, particularly the elderly and those without air conditioning, to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the extreme heat.

View larger

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com