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5-day forecast / Denison, TX

FridayPartly Sunny95° / 78° 5%
SaturdayMostly Sunny99° / 80° 2%
SundaySunny101° / 80°
MondaySunny102° / 81°
TuesdaySunny102° / 81°

Heat Advisory in Effect for Denison as Temperatures Climb to 99F - Jul 24, 4 AM

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

A Heat Advisory is active for Denison, TX, with heat index values reaching 106F tomorrow. Current conditions are oppressively humid with a dew point of 75F.

Briar Iverson

July 24, 20262 min read

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

*As of Jul 24, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Denison, Texas, signaling moderate severity and expected urgency. The National Weather Service has issued this alert to warn residents of dangerously high heat index values. At this moment, the air temperature stands at 79F, but the humid air makes it feel like 82F.

The relative humidity is at 88%, with a dew point of 75F, creating an oppressively humid environment. Winds are light at 6 mph with gusts up to 14 mph, and the sky remains clear.

Today and Tonight Forecast

Today, Denison will experience partly sunny skies with a high near 95F. The chance of precipitation is minimal at 5%. The heat index is expected to reach as high as 104F.

Winds will shift to the south southeast at 5 to 10 mph. As evening approaches, conditions will transition to mostly clear skies for tonight. Temperatures will drop to a low around 78F.

However, the humidity will persist, with the heat index climbing to 103F as temperatures rise to around 82F overnight. Winds will remain light from the south at 5 to 10 mph.

Tomorrow Outlook and Safety

Tomorrow, the heat will intensify significantly. Skies will be mostly sunny with a high near 99F. The chance of rain is negligible at 2%.

The heat index is forecast to peak at 106F, making it feel significantly hotter than the actual air temperature. Winds will pick up slightly from the south southwest at around 10 mph. Following tomorrow, conditions will clear up with a low around 80F and light south winds of 5 mph.

Given the active Heat Advisory and the oppressive humidity, it is crucial to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the day. Check on elderly neighbors and those who may be vulnerable to heat-related illnesses. Keep living spaces cool and avoid direct sun exposure whenever 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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