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5-day forecast / Denison, TX

WednesdayMostly Sunny101° / 80° 3%
ThursdayMostly Sunny101° / 80° 1%
FridayMostly Sunny103° / 80° 5%
SaturdaySunny97° / 72° 7%
SundaySunny95° / 73° 2%

Heat Advisory in Effect for Denison as Temperatures Climb Near 101 Degrees - Jul 28, 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 96F. Highs near 101F are expected today and tomorrow, with heat indices reaching up to 109F.

Briar Iverson

July 29, 20262 min read

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

*As of Jul 28, 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. Residents are advised to take precautions as the region experiences significant heat. As of this Tuesday evening, the air temperature stands at 94F, with a feels-like temperature of 96F.

The relative humidity is at 39%, and the dew point is recorded at 65F. Winds are blowing from the south at 7 mph, with gusts reaching up to 14 mph. The sky remains clear at this time.

The National Weather Service has issued this advisory to highlight the potential health risks associated with prolonged exposure to high temperatures. While the official alert details specific timing, the immediate concern is the elevated heat index values that will persist through the overnight hours and into the next day. It is crucial for the community to monitor local updates and stay informed as conditions evolve.

Forecast for Today, Tonight, and Tomorrow

Today in Denison, the high is expected to reach near 101F, with a low near 80F. The chance of precipitation is 0%, and skies will be partly cloudy. As tonight approaches, conditions will remain partly cloudy with a low around 80F.

Temperatures may rise slightly to around 82F during the overnight period. The heat index is forecast to reach as high as 106F. South winds will persist at 5 to 10 mph.

Tomorrow, the heat will continue with a high near 101F and a low near 80F. The chance of precipitation is minimal at 3%, with mostly sunny skies expected. The heat index is projected to climb as high as 109F.

Winds will shift to the south southwest at around 5 mph. Looking ahead to tomorrow night, skies will become mostly clear with a low around 80F. Temperatures may rise to around 82F overnight, with heat index values as high as 108F.

South southeast winds will be around 5 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is essential to prioritize safety. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the day.

Check on neighbors and vulnerable individuals who may be at greater risk from heat-related illnesses. If you must be outside, seek shade or air-conditioned spaces whenever possible. Be aware of the signs of heat exhaustion and heat stroke, and seek medical attention if symptoms appear.

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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