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5-day forecast / Denison, TX

SundaySunny101° / 80°
MondayMostly Sunny101° / 80°
TuesdaySunny102° / 80°
WednesdayMostly Sunny102° / 80° 1%
ThursdayMostly Sunny102° / 81° 1%

Denison Heat Advisory in Effect as Temperatures Climb Near 101F - Jul 26, 12 PM

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

A Heat Advisory is active for Denison, TX, with current feels-like temperatures at 96F. Highs near 101F and humid conditions persist through tomorrow.

Briar Iverson

July 26, 20262 min read

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

*As of Jul 26, 12 PM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat levels that require caution. As of this Sunday afternoon, the air temperature stands at 90F, but the combination of heat and humidity pushes the feels-like temperature to 96F. The relative humidity is at 56%, with a dew point of 72F, indicating quite humid conditions that make the heat feel more oppressive.

Winds are blowing from the south southwest at 11 mph, with gusts reaching 12 mph, under a clear sky.

The National Weather Service has issued this advisory with moderate severity and expected urgency. It is important to note that this alert is active now and remains in place. Residents should be aware that the heat index values are expected to reach as high as 107 during the day, significantly higher than the actual air temperature.

Forecast for Today and Tomorrow

Today, the sky will remain sunny with a high near 101F. The chance of precipitation is minimal at just 1%. Winds will shift to a south southwest direction at 5 to 10 mph.

As evening approaches, conditions will become mostly clear with a low around 79F. Temperatures may rise slightly to around 81F overnight, with the heat index still reaching up to 107. South winds will decrease to around 5 mph.

Tomorrow, the heat will continue with mostly sunny skies and a high near 101F. The chance of precipitation drops to 0%. The heat index is forecast to peak at 106.

Winds will remain light, from the south southwest at 5 to 10 mph. Overnight into the early hours of the next day, skies will clear to mostly clear, with a low around 80F. Temperatures may rise to around 82F during the night, with heat index values again reaching 107.

South winds will persist at around 5 mph.

Safety Reminders

Given the active Heat Advisory and the high heat index values, it is crucial to stay hydrated and limit midday exertion. Check on elderly neighbors and those who may be vulnerable to extreme heat. Ensure that pets and livestock have access to cool, shaded areas and plenty of water.

Avoid prolonged exposure to the sun, especially during the hottest parts of the day when the heat index is at its peak.

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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