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5-day forecast / Denison, TX

WednesdaySunny100° / 75° 2%
ThursdaySunny95° / 76° 1%
FridayMostly Sunny98° / 81° 1%
SaturdayMostly Sunny99° / 81° 5%
SundaySunny100° / 80° 1%

Denison Under Extreme Heat Warning as Feels-Like Hits 110F - Jul 22, 12 PM

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

An active Extreme Heat Warning is in effect for Denison, TX, with dangerous heat index values reaching 110F today. Residents are urged to take precautions against the oppressive humidity and high temperatures.

Briar Iverson

July 22, 20262 min read

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

*As of Jul 22, 12 PM local time.*

Dangerous Heat Conditions in Denison

Denison, Texas, is currently under an active Extreme Heat Warning issued by the National Weather Service. The warning carries a severity rating of Severe and is expected to remain in effect until 8:00PM CDT today. This alert underscores the immediate risks posed by the current weather pattern, which combines extreme temperatures with high humidity levels.

Current conditions reflect the intensity of this heat event. The air temperature stands at 93F, but the combination of heat and moisture creates a feels-like temperature of 110F. The relative humidity is at 63%, with a dew point of 79F, indicating oppressively humid air that makes the heat feel even more severe.

Winds are currently blowing from the northeast at 7 mph, with gusts reaching up to 10 mph. The sky remains clear, offering no relief from the sun’s direct radiation.

Forecast for Today and Tomorrow

The National Weather Service forecasts continued sunny skies for today, with a high near 100F. Heat index values are expected to reach as high as 108 during the day. Northeast winds will persist at 5 to 10 mph. There is only a 2% chance of precipitation, so residents should not expect any relief from rain.

Tonight, conditions will remain clear with a low around 75F. Temperatures may rise slightly to around 77F overnight. The heat index will remain elevated, with values as high as 107.

East northeast winds will continue at 5 to 10 mph. The chance of precipitation drops to 1% for tomorrow, which will also be sunny with a high near 95F. Heat index values will peak at 100 during the day.

Winds will shift to the east at 5 to 10 mph. Tomorrow night will be clear with a low around 76F and a heat index up to 99.

Safety Reminders

Given the Extreme Heat Warning, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Avoid prolonged exposure to the sun and seek air-conditioned environments whenever possible. The combination of high heat and humidity poses serious health risks, so please take this warning seriously and plan your activities accordingly.

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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