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5-day forecast / Denison, TX

FridayPartly Sunny93° / 80° 1%
SaturdayMostly Sunny99° / 80° 2%
SundaySunny101° / 80°
MondaySunny102° / 80°
TuesdaySunny103° / 80°

Denison Heat Advisory in Effect as Feels-Like Temps Hit 100F - Jul 24, 4 PM

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

A Heat Advisory is active for Denison, TX, with dangerous heat and high humidity. Current feels-like temperatures are near 100F, with highs near 93F today and 99F tomorrow.

Briar Iverson

July 24, 20262 min read

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

*As of Jul 24, 4 PM local time.*

Dangerous Heat and Humidity 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 oppressive temperatures and high humidity levels. As of this Friday afternoon, the air temperature stands at 90F, but the combination of heat and moisture makes it feel like 100F.

The relative humidity is at 63%, with a dew point of 75F, creating a muggy atmosphere that intensifies the perceived heat.

Forecast for Today and Tomorrow

Today, conditions will remain hot with a high near 93F. There is a slight chance of rain showers before 4pm, though the overall chance of precipitation is only 2%. The sky will be partly sunny, and south southeast winds will blow around 10 mph. Heat index values are expected to reach as high as 102 during the day.

Tonight, skies will turn mostly cloudy with a low around 80F. The heat index will remain elevated, with values as high as 102. South winds will persist at 5 to 10 mph, offering little relief from the humidity.

Tomorrow, the heat will intensify further with a high near 99F. The sky will be mostly sunny, and the heat index is forecast to climb to 108. South southwest winds will continue at 5 to 10 mph.

Tomorrow night, skies will clear to mostly clear, with a low around 80F and temperatures rising slightly to around 82 overnight. Heat index values will remain high at 107.

Safety Reminders

Given the active Heat Advisory and dangerous 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 relatives who may be vulnerable to heat-related illnesses. If you must be outside, seek air-conditioned spaces whenever possible and wear lightweight, light-colored clothing to help manage the oppressive humidity and 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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