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5-day forecast / Denison, TX

WednesdaySunny101° / 80° 1%
ThursdaySunny101° / 79°
FridaySunny101° / 79°
SaturdaySunny101° / 79°
SundaySunny102° / 79° 1%

Denison Heat Persists: Highs Near 100F Expected Today and Tomorrow - Aug 11, 8 PM

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

Temperatures in Denison remain dangerously high this evening with a feels-like of 97F. Today’s high near 100F is followed by another scorching day tomorrow near 101F with no rain in sight.

Briar Iverson

August 12, 20261 min read

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

*As of Aug 11, 8 PM local time.*

Sweltering Conditions Continue

Denison is currently experiencing intense heat, with the air temperature sitting at 92F and a feels-like temperature of 97F. The relative humidity is at 45%, with a dew point of 68F. Winds are blowing from the south at 13 mph, with gusts reaching up to 24 mph, while the sky remains clear.

Today, residents can expect a high near 100F under clear skies. There is no chance of precipitation, with the low expected to drop to around 80F. As tonight approaches, conditions will stay clear with a low around 80F. However, temperatures may rise to around 82F overnight. Heat index values could climb as high as 102. South winds will decrease to around 10 mph.

Tomorrow’s Forecast

Tomorrow will be even hotter, with a high near 101F and sunny skies. The chance of precipitation is minimal at just 1%. The low will again be near 80F. Heat index values are expected to reach as high as 105. Winds will shift to the south southwest at around 10 mph, with gusts as high as 20 mph.

Tomorrow night, the sky will be mostly clear. The low will be around 80F, with temperatures rising to around 82F overnight. Heat index values may reach 102. South winds will persist at around 10 mph, with gusts up to 20 mph.

Safety Reminders

With such high temperatures and heat indices, it is crucial to stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors, especially the elderly and those with health conditions, to ensure they are safe. Keep vehicles and pets out of direct sun, and never leave anyone in a parked car. Stay cool and safe during this heat wave.

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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