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5-day forecast / Denison, TX

FridaySunny100° / 78° 3%
SaturdayMostly Sunny99° / 78° 13%
SundaySunny98° / 78° 1%
MondaySunny98° / 78°
TuesdaySunny99° / 79° 1%

Very hot weather builds in Denison, with a high near 100 today - Aug 7, 4 AM

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

Denison is already warm Friday overnight at 81F, feeling like 84F. Sunny weather today is expected to push the high near 100F.

Briar Iverson

August 7, 20261 min read

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

*As of Aug 7, 4 AM local time.*

Very hot start

Very hot weather is the main story for Denison, with the temperature already at 81F during Friday overnight and a high near 100F expected today. It currently feels like 84F, with relative humidity at 68% and a dew point of 69F. The wind is 8 mph, with gusts up to 16 mph, and the sky is clear.

Forecast through tomorrow

For the rest of Friday overnight, conditions remain mostly clear, with a low around 79F and temperatures rising to around 81F overnight. South wind is expected at 5 to 10 mph.

Today is forecast to be sunny, with a high near 100F and temperatures falling to around 98F later. Heat index values may reach 100F. South southwest wind is expected at 5 to 10 mph, and the chance of precipitation is 3%.

Tonight brings a slight chance of showers and thunderstorms, along with partly cloudy conditions. The low is around 78F, with temperatures rising to around 80F overnight. Heat index values may reach 101F, with south southeast wind around 5 mph and a 20% chance of precipitation.

Tomorrow is expected to be mostly sunny, with a high near 99F, a low near 78F, and a 13% chance of precipitation. Heat index values may reach 103F, with south wind around 5 mph.

Alerts and heat reminders

There are no active NWS/NOAA weather alerts for Denison.

With heat near the top of the forecast, take basic precautions: drink water, take breaks from outdoor exertion, and check on people and pets who may be more sensitive to heat.

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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