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5-day forecast / Denton, TX

WednesdaySunny104° / 81° 3%
ThursdaySunny101° / 81°
FridaySunny103° / 84°
SaturdayMostly Sunny103° / 84° 6%
SundaySunny104° / 82° 2%

Denton Faces Dangerous Heat and Poor Air Quality - Jul 21, 4 PM

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

An Extreme Heat Warning and Air Quality Alert are active for Denton. Current conditions show a heat index of 113F with clear skies and no rain expected.

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 21, 4 PM local time.*

Dangerous Heat and Air Quality Alerts Active

Denton is currently under the influence of two significant National Weather Service alerts: an Extreme Heat Warning and an Air Quality Alert. The heat warning is classified as severe, indicating dangerous conditions that require immediate attention. The air quality alert, while its specific urgency level is not detailed, signals that atmospheric conditions are deteriorating.

Right now, the air temperature stands at 106F. Due to the humidity levels, the heat index, or what it actually feels like, is 113F. The relative humidity is at 30%, with a dew point of 68F. Winds are light, blowing at 7 mph with gusts reaching 6 mph, under a clear sky. These conditions create a high-risk environment for heat-related illnesses.

Forecast for Today and Tomorrow

Today, the sun will remain out with a high near 106F. The heat index is expected to reach as high as 112. Winds will be from the north northwest at 0 to 5 mph.

There is a 0% chance of precipitation. Tonight, the sky will clear, with a low near 83F. Temperatures may rise to around 85F overnight.

The heat index could climb to 114. Winds will shift to the east at 0 to 5 mph.

Tomorrow, the sun will return with a high near 104F. The heat index is forecast to hit 113. Winds will come from the northeast at 0 to 10 mph.

There is a slight 3% chance of rain. Tomorrow night, the sky will be mostly clear, with a low around 81F. Temperatures might rise to 83F overnight.

The heat index will remain high at 113. Winds will be from the east at 5 to 10 mph.

Safety Reminders

Given the extreme heat warning, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned spaces whenever possible. Check on elderly neighbors or those without reliable cooling. The air quality alert suggests keeping windows closed and avoiding unnecessary outdoor activity to protect respiratory health. These conditions are hazardous; please take them seriously and stay safe.

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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