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5-day forecast / Denton, TX

TuesdaySunny106° / 80° 1%
WednesdaySunny104° / 81°
ThursdaySunny102° / 81°
FridaySunny103° / 84° 1%
SaturdayMostly Sunny103° / 84° 6%

Denton Heat Advisory in Effect as Feels-Like Temps Hit 104F - Jul 20, 8 PM

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

A Heat Advisory is active for Denton, TX, with dangerous heat index values expected to reach 111F tomorrow. Current conditions show a feels-like temperature of 104F.

Cody Underwood

July 21, 20262 min read

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

*As of Jul 20, 8 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Denton, Texas, signaling dangerous heat conditions for the region. The National Weather Service has issued this moderate-severity alert due to the combination of high temperatures and humidity. As of this evening, the air temperature stands at 97F, but the heat index makes it feel like 104F.

The relative humidity is at 42%, with a dew point of 70F, indicating significant moisture in the air that contributes to the oppressive feel. Winds are currently blowing from the south southwest at 9 mph, with gusts reaching 8 mph, under a mostly clear sky.

Forecast for Tonight and Tomorrow

Temperatures will remain elevated through the night. Tonight, skies will stay mostly clear with a low near 80F. However, temperatures are expected to rise to around 82F overnight, keeping the heat index values as high as 107. Winds will decrease to around 5 mph from the south southwest.

Tomorrow brings even more intense heat. The sky will be sunny with a high near 105F. The heat index is forecast to climb as high as 111, creating hazardous conditions for outdoor activities.

Winds will shift to the west southwest at around 5 mph. Looking ahead to tomorrow night, conditions will clear with a low around 83F. Temperatures may rise to around 85F overnight, with heat index values reaching 110.

Winds will be light, from the south at 0 to 5 mph.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, it is crucial to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday and afternoon 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. Be aware of the signs of heat-related illnesses, such as dizziness, nausea, and confusion, and seek medical attention if symptoms persist.

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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Cody Underwood

Cody Underwood covers weather, storms, and seasonal life around Denton.

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