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5-day forecast / Denison, TX

ThursdaySunny100° / 79° 2%
FridaySunny99° / 79° 1%
SaturdaySunny99° / 79° 1%
SundaySunny99° / 79°
MondaySunny98° / 79°

Dangerous heat grips Denison as it feels like 101F this afternoon - Aug 5, 4 PM

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

Denison is at 100F with a 101F feels-like reading, clear sky and dry air. Mostly sunny heat continues today, with another hot, sunny forecast tomorrow.

Briar Iverson

August 5, 20261 min read

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

*As of Aug 5, 4 PM local time.*

Heat is the main story

Dangerous heat is the notable weather in Denison this afternoon, with the air temperature at 100F and the feels-like temperature at 101F. The sky is clear, relative humidity is 27%, and the dew point is 61F. Wind is 11 mph, with gusts to 13 mph.

Even with lower humidity, the heat is still significant. Today’s forecast calls for a high near 101F, mostly sunny sky and a 0% chance of precipitation. Heat index values may reach as high as 104. South wind is expected around 10 mph.

Tonight and tomorrow

Tonight stays very warm, with a low near 80F and mostly clear conditions. Heat index values may still be as high as 101. South wind is expected around 5 mph.

Tomorrow brings more sun and more heat. The forecast high is near 100F, with a low near 79F and a 2% chance of precipitation. Heat index values may reach as high as 102. Wind is forecast from the south southwest at 5 to 10 mph.

Alerts and safety

There are no active NWS/NOAA weather alerts for Denison.

Because the heat is already dangerous, keep heat safety in mind. Drink water, take breaks in shade or air conditioning when possible, and limit strenuous outdoor activity during the hottest stretch. Check on people who may be more vulnerable to heat, and never leave children or pets in a parked vehicle.

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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