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5-day forecast / Denison, TX

SaturdaySunny95° / 72°
SundaySunny95° / 72°
MondaySunny98° / 75°
TuesdaySunny101° / 77° 2%
WednesdaySunny100° / 79° 2%

Denison Heat Advisory in Effect as Temperatures Soar to 104F - Jul 31, 4 PM

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

A Heat Advisory is active for Denison, TX, with dangerous heat index values reaching 112F today. Temperatures will drop slightly tomorrow but remain warm.

Briar Iverson

July 31, 20262 min read

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

*As of Jul 31, 4 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions for the area. As of this Friday afternoon, the air temperature stands at 102F, but the heat index makes it feel like 109F. The relative humidity is at 33%, with a dew point of 68F.

Winds are blowing from the southwest at 15 mph, with gusts reaching 14 mph, under a clear sky.

The National Weather Service has issued this advisory due to the extreme heat. The official alert indicates the advisory was issued on July 31 and remains in effect until 8:00PM CDT on the same day. Residents are urged to take this warning seriously as heat index values are expected to reach as high as 112F during the day.

Forecast and Safety

Today, Denison will experience mostly sunny skies with a high near 104F. The low tonight will be around 79F, with a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy skies are expected overnight, with temperatures rising to around 81F.

Heat index values will remain high at up to 110F, with west winds of 5 to 10 mph. The chance of precipitation is 20%.

Tomorrow, conditions will improve slightly with sunny skies and a high near 96F. North winds will be 5 to 10 mph. The low tomorrow night will be around 72F, with temperatures rising to around 74F overnight. Mostly clear skies are expected, with north northeast winds of 0 to 10 mph. The chance of precipitation is 3%.

Given the active Heat Advisory and dangerous heat index values, it is critical to stay hydrated and limit outdoor exertion, especially during the hottest parts of the day. Check on neighbors and vulnerable individuals to ensure their safety. Avoid prolonged exposure to the sun and seek 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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