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5-day forecast / Denison, TX

SundaySunny100° / 78°
MondaySunny99° / 79°
TuesdaySunny99° / 80°
WednesdaySunny101° / 80° 1%
ThursdaySunny101° / 79° 1%

Dangerous Heat Grips Denison: Feels Like 105F on Saturday Afternoon - Aug 8, 4 PM

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

Denison residents face dangerous heat with temperatures reaching 100F and a feels-like value of 105F. No severe weather alerts are active, but extreme heat precautions are essential for today and tomorrow.

Briar Iverson

August 8, 20262 min read

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

*As of Aug 8, 4 PM local time.*

Current Conditions and Immediate Heat Risk

Denison is currently under the influence of dangerous heat this Saturday afternoon. The air temperature has climbed to 100F, but the true risk lies in the heat index. With a relative humidity of 33% and a dew point of 66F, the heat index is registering at a hazardous 105F.

Winds are light, blowing from the south-southeast at around 5 to 7 mph, with gusts reaching up to 11 mph. The sky remains clear, offering no relief from the intense solar radiation.

Forecast for Today and Tomorrow

The National Weather Service indicates that this intense heat will persist through the weekend. Today, conditions will remain sunny with a high near 100F. The chance of precipitation is minimal at 11%.

As evening approaches tonight, skies will become mostly clear. Temperatures will drop to a low near 77F, though they may rise slightly to around 79F overnight. The heat index will remain elevated, with values as high as 102F expected even after sunset.

Winds will continue to be light, around 5 mph from the south.

Tomorrow, the pattern repeats with sunny skies and a high near 100F. There is no chance of precipitation, with the probability at 0%. The heat index is forecast to reach as high as 103F.

Winds may increase slightly to 5 to 10 mph from the south-southwest. Tonight, skies will clear further, with a low around 78F and temperatures rising to around 80F overnight. The heat index will stay high at 101F.

Safety and Alert Status

There are no active National Weather Service or NOAA weather alerts, watches, or advisories in effect for Denison at this time. However, the current conditions warrant serious caution. The combination of high temperatures and elevated heat indices creates a significant risk for heat-related illnesses.

Residents are advised to stay hydrated and limit midday exertion. Check on neighbors and vulnerable individuals to ensure they are safe in the heat. Avoid prolonged exposure to the sun and seek air-conditioned environments whenever possible.

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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