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5-day forecast / Denison, TX

ThursdaySunny95° / 78°
FridayMostly Sunny95° / 80° 1%
SaturdayMostly Sunny98° / 80° 1%
SundaySunny100° / 80°
MondaySunny102° / 80°

Denison Heat Advisory in Effect as Feels-Like Temps Hit 101F - Jul 23, 4 PM

Denison weather, updated every four hours — local forecasts you can trust.

A Heat Advisory is active for Denison, TX, with current feels-like temperatures at 101F. Highs near 95F expected today and tomorrow with dangerous heat index values.

Briar Iverson

July 23, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

*As of Jul 23, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert due to the combination of high temperatures and humidity. As of this afternoon, the air temperature stands at 93F, but the heat index makes it feel like 101F.

The relative humidity is at 50%, with a dew point of 72F, contributing to the muggy atmosphere. Winds are blowing from the east at 14 mph, with gusts reaching 17 mph, under a clear sky.

Forecast for Today and Tomorrow

Today, conditions will remain sunny with a high near 95F. The heat index is expected to reach as high as 102. Overnight, skies will become mostly clear with a low around 78F. The heat index will remain elevated, staying as high as 102, while winds shift to the east-southeast at 5 to 10 mph.

Tomorrow, the heat will persist with mostly sunny skies and a high near 95F. The heat index is forecast to climb even higher, reaching up to 104. Winds will come from the south-southeast at 5 to 10 mph.

Overnight into tomorrow night, skies will turn partly cloudy with a low around 80F. Temperatures may rise slightly to around 82F during the night, with the heat index also reaching 104. South winds will average around 10 mph.

Safety Reminders

With the Heat Advisory active, it is crucial to take precautions against extreme heat. 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 whenever possible and wear lightweight, light-colored clothing. Be aware of the signs of heat-related illnesses, such as dizziness, nausea, and confusion, and seek medical attention if symptoms appear.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Briar Iverson

Briar Iverson covers weather, storms, and seasonal life around Denison.

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