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5-day forecast / Denison, TX

SaturdayMostly Sunny95° / 77° 4%
SundaySunny97° / 77° 3%
MondaySunny98° / 77°
TuesdaySunny101° / 79°
WednesdaySunny100° / 79° 1%

Humid Heat Returns to Denison With Dew Points Near 72 - Jul 17, 4 PM

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

Denison faces a humid Friday afternoon with a heat index near 94. Conditions ease slightly tomorrow as temperatures climb toward 95 under mostly sunny skies.

Briar Iverson

July 17, 20262 min read

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

*As of Jul 17, 4 PM local time.*

Current Conditions and Humidity

Denison is experiencing a notably humid atmosphere this Friday afternoon. The air temperature stands at 88F, but the combination of heat and moisture pushes the feels-like temperature to 94F. Relative humidity is at 59%, with a dew point of 72F indicating significant moisture in the air.

Winds are blowing from the south southwest at 11 mph, with gusts reaching 19 mph. The sky remains clear overhead at this moment.

Forecast for Today and Tonight

Today, the high will reach near 91F. The sky will be partly sunny, with a chance of precipitation at 18%. The National Weather Service indicates a 20% chance of rain, with heat index values climbing as high as 97. South southwest winds will hover around 10 mph.

As evening approaches, conditions will shift to mostly cloudy skies. The low will settle near 76F. Heat index values will remain elevated, peaking around 97. Winds will come from the south at 5 to 10 mph, with gusts potentially reaching 20 mph. The chance of precipitation remains at 20% during this period.

Tomorrow Outlook

Tomorrow, the weather will turn mostly sunny with a high near 95F. This increase in temperature, combined with lingering humidity, will drive heat index values as high as 100. South southwest winds will continue at 5 to 10 mph. The chance of precipitation drops to just 4%.

There are no active National Weather Service or NOAA weather alerts in effect for Denison at this time. Residents should monitor conditions as the heat index rises significantly tomorrow.

Safety Reminder

With heat index values approaching 100, it is crucial to stay hydrated and limit strenuous outdoor activities during the hottest parts of the day. Wear lightweight, light-colored clothing and seek air-conditioned environments when possible. Check on elderly neighbors and those without reliable cooling to ensure their safety during this humid and warm period.

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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