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5-day forecast / Denton, TX

MondaySunny101° / 80° 3%
TuesdaySunny105° / 83° 1%
WednesdaySunny105° / 82° 1%
ThursdaySunny102° / 82° 1%
FridaySunny103° / 84°

Denton Heat Index Hits 105 Tonight as Temperatures Climb Toward 102 - Jul 19, 8 PM

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

Denton faces intense heat with a high near 100F today and a heat index reaching 105 tonight. Humidity remains high with a dew point of 72F.

Cody Underwood

July 20, 20262 min read

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

*As of Jul 19, 8 PM local time.*

Current Conditions and Heat Index

Denton is experiencing a significant heat event this Sunday evening. The air temperature currently stands at 90F, but the combination of heat and moisture pushes the feels-like temperature to 96F. Relative humidity is at 56%, with a dew point of 72F indicating substantial moisture in the air. Winds are light at 5 mph with gusts up to 12 mph, and the sky remains clear.

Today and Tonight Forecast

Today, the high will reach near 100F. There is a 28% chance of precipitation, with showers and thunderstorms possible before conditions become mostly clear. As evening approaches, the National Weather Service indicates a chance of showers and thunderstorms before 10pm.

Temperatures will drop to a low near 79F. Despite the cooling air temperature, the heat index will remain dangerously high, with values as high as 105. South winds will persist around 5 mph.

Tomorrow Outlook

Tomorrow, the heat will intensify further. The sky will be sunny with a high near 102F. The heat index is expected to climb even higher, reaching values as high as 108.

South southwest winds will remain light at around 5 mph. The chance of precipitation drops to just 1%. Overnight, skies will clear with a low around 80F, though temperatures may rise to around 82F during the night.

The heat index will stay elevated at values as high as 107.

Safety Reminders

With heat index values exceeding 105 tonight and approaching 108 tomorrow, extreme caution is necessary. High humidity and intense heat can lead to heat-related illnesses quickly. Residents should stay hydrated by drinking water frequently, even if not thirsty.

Limit outdoor exertion, especially during the midday and afternoon hours when the sun is strongest. Check on elderly neighbors and those without air conditioning to ensure their safety. If you must be outside, seek shade or air-conditioned spaces as much as possible.

Be aware of the signs of heat exhaustion, such as heavy sweating and weakness, 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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