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5-day forecast / Denison, TX

MondaySunny101° / 80°
TuesdaySunny102° / 80°
WednesdayMostly Sunny102° / 80° 1%
ThursdayMostly Sunny101° / 80° 3%
FridayMostly Sunny102° / 79° 7%

Denison Heat Advisory in Effect as Temperatures Climb Near 102 - Jul 27, 8 AM

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

A Heat Advisory is active for Denison, TX, with highs near 101F today and 102F tomorrow. Humidity remains high, making heat index values reach 105F.

Briar Iverson

July 27, 20262 min read

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

*As of Jul 27, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory with moderate severity and expected urgency is currently in effect for Denison, Texas. This alert was issued by the National Weather Service in Fort Worth and remains active through the evening. Residents should prepare for dangerously hot conditions that persist well into the night.

As of this Monday morning, the air temperature stands at 75F, with a feels-like temperature of 76F. The atmosphere is quite humid, with a relative humidity of 83% and a dew point of 70F. Winds are blowing from the south southwest at 8 mph, with gusts reaching up to 20 mph. The sky remains clear at this hour.

Forecast for Today and Tomorrow

Today, the sun will dominate the sky with a high near 101F. The National Weather Service indicates heat index values will climb as high as 105F. South southwest winds will range from 5 to 10 mph. There is a 0% chance of precipitation, leaving the day sunny and dry. The low for tonight is near 80F.

Overnight, conditions will be mostly clear. Temperatures will drop to a low around 80F, though they may rise to around 82F later in the night. Heat index values will remain as high as 105F. South winds will persist at around 5 mph.

Tomorrow, the heat continues with a high near 102F. The sky will be sunny, and heat index values will again reach 105F. South southwest winds will be 5 to 10 mph.

There is no rain expected, with a 0% chance of precipitation. The low for tomorrow night is near 80F, with temperatures potentially rising to around 82F overnight. Heat index values will stay as high as 105F, with south winds around 5 mph.

Safety Reminders

Given the active Heat Advisory and high humidity, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly, who may be more vulnerable to extreme heat. Keep living spaces cool and avoid prolonged exposure to the sun during peak heat hours.

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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