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5-day forecast / Denison, TX

SaturdayMostly Sunny94° / 77° 4%
SundaySunny96° / 78° 4%
MondaySunny98° / 78° 1%
TuesdaySunny101° / 79°
WednesdaySunny100° / 78°

Humidity and Heat Define Denison Weather This Weekend - Jul 18, 8 AM

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

Denison faces high humidity with a dew point of 72F today. Temperatures will climb to 94F, with heat index values reaching 99F. Conditions remain dry with minimal rain chances.

Briar Iverson

July 18, 20262 min read

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

*As of Jul 18, 8 AM local time.*

Current Conditions and Humidity

Denison, TX is experiencing notably humid air this Saturday morning. The current air temperature sits at 75F, but the relative humidity is high at 89%, making it feel like 77F. The dew point is recorded at 72F, indicating a muggy atmosphere.

Winds are blowing from the south southwest at 9 mph, with gusts reaching up to 25 mph. Despite the moisture in the air, the sky remains clear overhead.

Weekend Forecast

Today, the sun will dominate the sky with mostly sunny conditions. Highs will reach near 94F. While the chance of precipitation is only 4%, the heat index is expected to climb as high as 99F due to the humidity.

Winds will continue from the south southwest at 5 to 10 mph. Temperatures will drop to a low near 77F tonight under partly cloudy skies. The heat index will remain elevated, staying as high as 99F, with similar wind speeds.

Tomorrow, the weather will turn sunny with highs near 96F. The heat index is forecast to rise further, reaching as high as 102F. Precipitation chances remain low at 4%. Winds will persist from the south southwest at 5 to 10 mph. Following tomorrow, conditions will clear with lows around 78F. The heat index will stay high at 101F, with south winds around 5 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the combination of high temperatures and significant humidity requires caution. Heat index values approaching 100F can lead to heat-related illnesses.

Residents should stay hydrated and limit strenuous outdoor activities during the hottest parts of the day. Keep an eye on how the humidity affects your comfort level, as it can make the heat feel more intense than the actual air temperature suggests.

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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