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5-day forecast / Denison, TX

SundaySlight Chance Showers And Thunderstorms96° / 78° 24%
MondaySunny100° / 79° 2%
TuesdaySunny102° / 81°
WednesdaySunny102° / 79° 1%
ThursdaySunny99° / 79° 1%

Denison Heat and Humidity Rise: Highs Near 99 Tomorrow - Jul 19, 4 AM

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

Denison faces rising heat and humidity with today's high near 96F and tomorrow near 99F. Dew points remain high at 72F. No severe weather alerts are active.

Briar Iverson

July 19, 20262 min read

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

*As of Jul 19, 4 AM local time.*

Current Conditions and Humidity

It is currently Sunday overnight in Denison, TX, and the air feels quite heavy. The current air temperature is 80F, but the feels-like temperature is 83F due to significant moisture in the atmosphere. The relative humidity stands at 79%, with a dew point of 72F.

Winds are blowing from the south at 8 mph, with gusts reaching 14 mph. The sky remains clear, offering no relief from the lingering warmth.

Today and Tonight Forecast

Today will be sunny with a high near 96F. The National Weather Service indicates heat index values as high as 102, making it feel hotter than the actual air temperature. South southwest winds will range from 5 to 10 mph. The chance of precipitation is 13%, though skies will remain largely clear.

Tonight, conditions will be mostly clear. Temperatures will drop to a low around 77F, though they may rise to around 79F overnight. South winds will decrease to around 5 mph.

The heat index is expected to reach values as high as 101 during the day, emphasizing the oppressive nature of the heat. Residents should note that the dew point remains elevated, contributing to the muggy atmosphere.

Tomorrow Outlook

Tomorrow will also be sunny, with a high near 99F. This marks a significant increase in heat, with heat index values climbing as high as 104. Southwest winds will be around 5 mph. The chance of precipitation drops to just 2%. Tomorrow night will be clear, with a low around 79F and south southwest winds around 5 mph.

Safety Reminder

With temperatures approaching 100F and heat indices exceeding 100F, the risk of heat-related illness is high. It is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Wear lightweight, light-colored clothing and seek air-conditioned environments as much as possible. Check on elderly neighbors and those who may be vulnerable to extreme heat to ensure their safety during this period of intense warmth.

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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