Back to Weather

5-day forecast / Denison, TX

ThursdayMostly Sunny101° / 80° 5%
FridayMostly Sunny103° / 78° 5%
SaturdaySunny95° / 72° 11%
SundaySunny93° / 72° 1%
MondaySunny95° / 75° 3%

Heat Advisory in Effect for Denison as Temperatures Climb Near 100 - Jul 29, 8 PM

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

A Heat Advisory is active for Denison, TX, with current feels-like temperatures at 95F. Highs near 100F today and 101F tomorrow will bring heat index values up to 106.

Briar Iverson

July 30, 20262 min read

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

*As of Jul 29, 8 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Denison, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this advisory to warn residents of dangerously hot conditions. As of this Wednesday evening, the air temperature stands at 91F, but the heat index makes it feel like 95F.

Relative humidity is at 46%, with a dew point of 67F. Winds are blowing from the south at 9 mph, with gusts reaching up to 17 mph, under a clear sky.

Forecast for Today and Tomorrow

Today, Denison will experience partly cloudy skies with a high near 100F. The chance of precipitation is minimal at 2%. Overnight, conditions will remain partly cloudy with a low near 78F. However, temperatures will rise to around 80F during the night, with heat index values peaking at 98. South winds will decrease to around 5 mph.

Tomorrow, the heat will intensify. Skies will be mostly sunny with a high near 101F. The chance of rain remains low at 5%.

The heat index is expected to reach as high as 106, making it feel significantly hotter than the actual air temperature. South southwest winds will continue at around 5 mph. Following tomorrow, conditions will shift to mostly clear skies with a low around 80F.

Temperatures may rise to around 82F overnight, with heat index values hitting 105.

Safety Reminders

Given the active Heat Advisory and the forecasted heat index values exceeding 100, 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 those who may be vulnerable to heat-related illnesses. If you must be outside, seek shade or air-conditioned spaces whenever possible. Wear lightweight, light-colored clothing and apply sunscreen to protect your skin from intense UV exposure.

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