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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 Heat: Highs Near 100F, Slight Rain Chance - Sep 1, 2 PM

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

Denison is experiencing intense heat with current temperatures at 95F and a heat index reaching 105F. A slight chance of showers exists late today, followed by sunny conditions tomorrow.

Briar Iverson

September 1, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 1, 2 PM local time.*

Intense Heat Dominates Denison

Residents in Denison are facing a significant heat event this afternoon. The air temperature currently sits at 95F, but the combination of humidity and heat makes it feel like 98F. Relative humidity is at 39%, with a dew point of 66F.

Winds are light, blowing from the southeast at 5 mph with gusts up to 10 mph, while the sky remains partly cloudy. This level of heat requires caution, as prolonged exposure can lead to heat-related illness.

Today and Tonight Outlook

The day will remain mostly sunny, with the high temperature climbing near 100F. The National Weather Service indicates that heat index values could reach as high as 105F. There is a slight chance of rain showers after 4pm, with the overall chance of precipitation remaining low at 10%.

As evening approaches, temperatures will drop to a low near 77F, though they may rise slightly to around 79F overnight. The sky will be mostly clear, and a slight chance of showers exists before 7pm. Winds will continue from the south southeast at around 5 mph, with heat index values peaking at 102F.

Tomorrow's Forecast

Tomorrow brings sunny skies with a high near 98F. The heat index is expected to reach 104F, maintaining the oppressive feel. Winds will shift slightly, blowing from the southeast at 5 to 10 mph.

The chance of precipitation is very low at 4%. As the day progresses, a chance of rain showers is possible after 1am, with the sky becoming partly cloudy. The low temperature will hover around 77F, and heat index values may reach 101F.

Winds will remain from the south southeast at 5 to 10 mph. Given the sustained high temperatures and heat index values, it is important to stay hydrated and limit midday exertion. Check on neighbors and ensure pets have access to shade and water.

There are no active weather alerts in effect for the area.

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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