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5-day forecast / Denison, TX

TuesdaySunny102° / 80°
WednesdayMostly Sunny101° / 80° 3%
ThursdayMostly Sunny101° / 80° 1%
FridayMostly Sunny103° / 80° 5%
SaturdaySunny97° / 72° 7%

Heat Advisory in Effect for Denison as Temperatures Soar to 102F - Jul 28, 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 up to 109F. Residents should take precautions against dangerous heat levels today and tomorrow.

Briar Iverson

July 28, 20262 min read

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

*As of Jul 28, 12 PM local time.*

Current Conditions and Alert Status

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, which is expected to impact the region. As of this afternoon, the air temperature stands at 91F, but the combination of heat and humidity makes it feel like 101F.

The relative humidity is at 56%, with a dew point of 73F, indicating quite humid air. Winds are blowing from the south southwest at 10 mph, with gusts reaching 8 mph, under a clear sky.

Forecast for Today and Tomorrow

The National Weather Service forecasts mostly sunny skies for today, with a high near 102F. The heat index is expected to reach as high as 107F. South southwest winds will range from 5 to 10 mph.

There is a 0% chance of precipitation. Tonight, skies will become mostly clear with a low around 80F. Temperatures may rise to around 82F overnight.

The heat index will remain high at up to 107F, with south winds around 5 mph.

Tomorrow is expected to be sunny with a high near 102F. The heat index could climb as high as 108F. South southwest winds will be around 5 mph, and there is no chance of rain.

Tomorrow night will bring partly cloudy skies with a low around 80F. Temperatures may rise to around 82F overnight, with the heat index reaching up to 109F. South southeast winds will be around 5 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is crucial to stay safe. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. The combination of high temperatures and humidity poses significant risks, so please take these conditions seriously.

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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