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5-day forecast / Denison, TX

MondaySunny99° / 79° 1%
TuesdaySunny99° / 81° 1%
WednesdaySunny101° / 79°
ThursdaySunny101° / 79°
FridaySunny101° / 80°

Denison Heat and Humidity Rise; No Weather Alerts Issued - Aug 10, 9 AM

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

Temperatures in Denison are climbing toward 99F with high humidity. The National Weather Service reports no active alerts as the region braces for a hot, sunny stretch.

Briar Iverson

August 10, 20262 min read

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

*As of Aug 10, 9 AM local time.*

Current Conditions

Denison is experiencing notably humid air this morning. The current air temperature sits at 79F, but the heat index makes it feel like 82F. Relative humidity is holding steady at 84%, with a dew point of 73F indicating significant moisture in the atmosphere. Winds are blowing from the south at 10 mph, with gusts reaching up to 20 mph. The sky remains clear overhead.

Forecast Overview

The heat will intensify quickly as the day progresses. Today is expected to be sunny with a high near 99F. The National Weather Service indicates that heat index values could reach as high as 102 during the afternoon hours. South winds will persist at speeds between 5 and 10 mph. There is only a 1% chance of precipitation, so residents should expect dry conditions.

As evening approaches, skies will become mostly clear. Temperatures will drop to a low near 79F, though they may rise slightly to around 81F overnight. The heat index will remain elevated, peaking at 100. Winds will continue from the south at approximately 10 mph.

Tomorrow follows a similar pattern. Expect another sunny day with a high near 99F. The heat index is forecast to climb even higher, reaching up to 104.

South winds will remain light, between 5 and 10 mph. Precipitation chances stay minimal at 1%. Overnight into the early hours of the next day, skies will clear further with a low around 81F, potentially rising to 83F before sunrise.

Heat index values may hit 103 during that overnight period.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for Denison at this time. However, the combination of high temperatures and elevated humidity poses health risks. Residents should stay hydrated and limit strenuous outdoor activities during the peak heat hours. Checking on elderly neighbors and ensuring pets have access to cool water is also advisable as the mercury climbs.

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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