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5-day forecast / Denison, TX

FridaySlight Chance Showers And Thunderstorms then Mostly Sunny96° / 77° 19%
SaturdaySunny100° / 78° 3%
SundaySunny99° / 78°
MondaySunny98° / 78° 1%
TuesdaySunny99° / 78° 2%

Denison Weather: Humid Start, Warm Afternoon, and Rising Heat Tomorrow - Sep 3, 6 AM

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

Denison residents face a muggy morning with 84% humidity. Expect a high near 92F today with a chance of showers, followed by a hotter, drier day tomorrow reaching 97F.

Briar Iverson

September 3, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 3, 6 AM local time.*

Muggy Conditions and Warm Afternoon Ahead

The morning in Denison is defined by significant humidity, with the air temperature sitting at 78F and feeling like 79F. The relative humidity stands at 84%, and the dew point is 72F, creating a thick, muggy atmosphere. Winds are currently blowing from the southeast at 13 mph, with gusts reaching 17 mph, while the sky remains cloudy.

As the day progresses, temperatures are expected to climb to a high near 92F. Residents should be aware of a chance of rain showers early in the day, followed by a slight chance of showers and thunderstorms in the afternoon. The heat index may reach values as high as 99F, adding to the perceived warmth.

Winds will shift to southeast at 5 to 10 mph, with gusts potentially reaching 25 mph. The chance of precipitation is estimated at 30%.

Clearing Skies and Rising Heat

Tonight, the sky will become mostly clear, with temperatures dropping to a low around 75F before rising to around 77F overnight. Winds will continue from the south southeast at 5 to 10 mph, with gusts as high as 25 mph. Tomorrow brings a shift toward drier conditions, with a mostly sunny sky and a high near 97F.

The chance of precipitation drops significantly to 11%. However, the heat index is expected to reach values as high as 102F, making the air feel considerably warmer than the actual temperature. Winds will remain from the south southeast at 5 to 10 mph.

Tonight, the sky will be clear, with lows around 76F and temperatures rising to around 78F overnight. Winds will be light, ranging from 0 to 10 mph from the south.

Safety Reminders

Given the high humidity and rising heat index values, it is important to stay hydrated and limit strenuous outdoor activities during the hottest parts of the day. Check on elderly neighbors or those without access to air conditioning. There are no active weather alerts in effect, but the combination of heat and humidity can pose health risks, so caution is advised.

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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