Back to Weather

5-day forecast / Denison, TX

FridaySlight Chance Showers And Thunderstorms then Mostly Sunny96° / 77° 19%
SaturdaySunny100° / 78° 3%
SundaySunny99° / 78°
MondaySunny98° / 78° 1%
TuesdaySunny99° / 78° 2%

Denison Heat Builds: Highs Near 99, Humidity Rising - Aug 27, 2 PM

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

Denison residents face intense heat today with a high near 99F and a feels-like temperature of 97F. Humidity is increasing, with dew points at 70F. Expect sunny skies and low rain chances through tomorrow.

Briar Iverson

August 27, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 27, 2 PM local time.*

Current Conditions and Heat Index

It is currently Thursday this afternoon in Denison, where the air temperature stands at 91F. The combination of heat and moisture means the temperature feels like 97F. Relative humidity is at 49%, and the dew point is 70F, indicating a noticeable level of atmospheric moisture.

The sky is clear, and winds are blowing from the east-northeast at 10 mph with gusts reaching 12 mph. These conditions contribute to a significant heat index, making the outdoor environment feel considerably warmer than the actual air temperature suggests.

Today's Forecast and Evening Outlook

For the remainder of today, sunny skies are expected to persist. The high temperature will reach near 99F, with heat index values potentially climbing as high as 102F. The chance of precipitation remains low at 14%.

As evening approaches, the sky will remain mostly clear. Temperatures will drop to a low around 75F, though they may rise slightly to around 77F overnight. Winds will shift to the east, ranging from 0 to 10 mph.

The heat index during the evening hours could still reach 100F, meaning the air will remain muggy and warm well into the night.

Tomorrow's Outlook and Safety Reminders

Tomorrow will bring similar conditions, with sunny skies and a high near 100F. The chance of rain drops to just 1%. Heat index values are expected to reach 102F again.

Winds will be lighter, coming from the northeast at 0 to 5 mph. There are no active National Weather Service alerts in effect for the area. Given the sustained high temperatures and humidity levels, it is important to stay hydrated and limit strenuous outdoor activities during the hottest parts of the day.

Check on elderly neighbors or those without access to air conditioning, as the combination of heat and humidity can pose health risks. Dress in light, breathable clothing to help manage body temperature.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

Share

Briar Iverson

Briar Iverson covers weather, storms, and seasonal life around Denison.

Related Stories

More in Sport