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5-day forecast / Denison, TX

ThursdayMostly Sunny101° / 81° 2%
FridayMostly Sunny103° / 79° 2%
SaturdayMostly Sunny95° / 72° 9%
SundaySunny93° / 72°
MondaySunny95° / 75° 1%

Heat Advisory in Effect for Denison as Temperatures Soar Near 101F - Jul 30, 4 AM

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

A Heat Advisory is active for Denison, TX, with highs near 101F and heat indices reaching 107F tonight. Humidity remains high with a dew point of 71F.

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 30, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions that require caution. It is currently Thursday overnight, and the air temperature stands at 81F with a feels-like temperature of 85F. The atmosphere is quite humid, with a relative humidity of 72% and a dew point of 71F.

Winds are blowing from the south at 8 mph, with gusts reaching 10 mph, while the sky remains clear.

The National Weather Service has issued this advisory with moderate severity and expected urgency. This alert is active until July 30 at 8:00PM CDT. Residents should be aware that the combination of high temperatures and humidity creates significant heat stress risks.

Forecast for Today and Tomorrow

Today, Denison will experience mostly sunny skies with a high near 101F. The low for the day is expected to be near 79F. There is only a 2% chance of precipitation. The heat index values are forecast to reach as high as 107F. Winds will be from the south southwest at 5 to 10 mph.

Tonight, conditions will remain mostly clear with a low around 79F. Temperatures are expected to rise to around 83F overnight. The heat index will continue to be elevated, reaching values as high as 107F. South winds will persist at around 5 mph.

Tomorrow, the heat will intensify further with a high near 103F under mostly sunny skies. The low is forecast to be near 79F, with a 2% chance of rain. Heat index values are projected to climb as high as 110F. Winds will shift to the southwest at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and extreme heat indices, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day. Check on elderly neighbors and vulnerable individuals who may be less able to cope with the heat. Avoid prolonged exposure to direct sunlight and wear lightweight, light-colored clothing if you must be outdoors.

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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