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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 99F Today, 102F Tomorrow - Aug 28, 2 PM

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

Denison residents face intense heat this afternoon with temperatures at 97F. Sunny skies and low humidity persist, with highs reaching 99F today and 102F tomorrow. No rain is expected.

Briar Iverson

August 28, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 28, 2 PM local time.*

Intense Heat Grips Denison

Denison is experiencing significant heat this afternoon, with the air temperature currently sitting at 97F. The feels-like temperature matches the actual air temperature at 97F, indicating that the dry air is keeping the perceived heat manageable despite the high numbers. Relative humidity stands at 31%, and the dew point is 61F, contributing to the dry conditions.

Winds are light, blowing from the northeast at 3 mph with gusts reaching 10 mph. The sky remains mostly clear, allowing direct sunlight to intensify the warmth.

Today and Tonight Outlook

Residents can expect sunny conditions for the rest of the day, with the high temperature reaching near 99F. The heat index values may climb as high as 100F during peak hours. There is no chance of precipitation, and the low temperature will drop to near 74F tonight.

The night will be clear with an east wind around 5 mph. Heat index values may still reach 98F in the early evening hours before cooling further.

Tomorrow's Forecast

Tomorrow will bring even hotter conditions, with a high near 102F. The sky will remain sunny, and the heat index values could reach as high as 104F. Winds will shift to the southeast at around 5 mph.

The low temperature will be near 78F, with temperatures rising to around 80F overnight. The night will be mostly clear, and heat index values may reach 102F. There is no chance of rain, and the dry conditions will persist.

Given the extreme heat, it is important to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors who may be vulnerable to the heat, especially those without air conditioning. Avoid prolonged exposure to direct sunlight and seek shade or air-conditioned environments when possible.

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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