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5-day forecast / Denison, TX

ThursdayMostly Sunny100° / 81° 2%
FridayMostly Sunny103° / 79° 10%
SaturdaySunny95° / 72° 8%
SundaySunny93° / 71°
MondaySunny96° / 74° 1%

Heat Advisory in Effect for Denison as Temperatures Soar - Jul 30, 12 PM

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

A Heat Advisory is active for Denison, TX, with heat index values reaching 110 degrees. Current conditions show a feels-like temperature of 105F under clear skies.

Briar Iverson

July 30, 20262 min read

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

*As of Jul 30, 12 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions for the region. The National Weather Service has issued this moderate-severity alert due to dangerously high heat index values that will make it feel much hotter than the actual air temperature.

Right now, the air temperature stands at 95F, but the combination of heat and humidity pushes the feels-like temperature to 105F. The relative humidity is at 50%, with a dew point of 73F, indicating quite humid conditions that trap heat and reduce the body's ability to cool itself.

Winds are currently blowing from the south southwest at 8 mph, with gusts reaching up to 10 mph, while the sky remains clear.

Forecast for Today and Tomorrow

Today, Denison will experience mostly sunny skies with a high near 101F. The heat index is expected to reach as high as 107. There is only a 2% chance of precipitation.

Overnight, conditions will become mostly clear with a low around 81F, though temperatures may rise to around 83F during the night. The heat index will remain high, with values as high as 107. Winds will shift to the south at around 5 mph.

Tomorrow, the heat will persist with mostly sunny skies and a high near 103F. The heat index is forecast to climb even higher, reaching up to 110. Southwest winds will pick up slightly, ranging from 5 to 10 mph.

The chance of rain remains minimal at 2%. Following tomorrow, skies will become partly cloudy with a low around 79F, rising to around 81F overnight. The heat index will stay elevated at up to 108, with west southwest winds at 5 to 10 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 hours when the sun is strongest.

Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the intense heat.

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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