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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 Persist as Temperatures Climb Near 99 - Aug 10, 4 AM

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

Current readings show a dew point of 70F with high humidity. Today and tomorrow will be sunny and hot, with heat indices reaching up to 104F in Denison.

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, 4 AM local time.*

Current Conditions

It is currently Monday overnight in Denison, TX, where the air feels quite heavy with moisture. The current air temperature stands at 78F, but the combination of heat and humidity pushes the feels-like temperature to 80F. Relative humidity is sitting at 76%, supported by a dew point of 70F.

Skies are mainly clear above, while winds blow from the south at 8 mph with gusts reaching 14 mph.

Forecast Overview

The heat will remain intense through the rest of the period. Today is expected to be sunny with a high near 99F and a low near 78F. The chance of precipitation is minimal at just 1%. According to official National Weather Service data, heat index values could climb as high as 102F during the day. South winds will average around 10 mph.

As tonight approaches, conditions will remain mostly clear. Temperatures are forecast to drop to a low around 79F, though they may rise slightly to around 81F later in the overnight hours. The heat index is expected to reach up to 100F. Winds will increase slightly, blowing from the south at 10 to 15 mph.

Tomorrow continues the pattern of intense heat and clear skies. Expect another sunny day with a high near 99F and a low near 81F. The chance of rain remains negligible at 1%. However, the humidity will combine with the heat to create heat index values as high as 104F. South winds will persist around 10 mph.

Safety Reminder

With temperatures nearing 100F and significant humidity levels, the risk of heat-related illness is elevated. It is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek shade or air-conditioned spaces frequently. Check on elderly neighbors and those without reliable cooling to ensure their safety during this prolonged period of high 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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