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5-day forecast / Denison, TX

MondayChance Showers And Thunderstorms89° / 72° 34%
TuesdaySlight Chance Showers And Thunderstorms88° / 71° 29%
WednesdayMostly Sunny then Chance Showers And Thunderstorms89° / 72° 26%
ThursdayMostly Sunny91° / 74° 8%
FridayMostly Sunny92° / 76° 1%

Humidity Peaks in Denison as Heat Lingers Into Sunday Evening - Jul 12, 8 PM

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

Denison residents face oppressive humidity with a dew point of 75F and 95% relative humidity. Temperatures remain high with a slight chance of storms tonight and tomorrow.

Briar Iverson

July 13, 20262 min read

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

*As of Jul 12, 8 PM local time.*

Oppressive Humidity and Current Conditions

The air in Denison feels heavy and thick this Sunday evening, driven by an oppressive humidity level that is making the atmosphere feel particularly stifling. The current air temperature sits at 77F, but the heat index pushes the feels-like temperature to 78F. This muggy environment is supported by a relative humidity of 95% and a dew point of 75F, which indicates a significant amount of moisture in the air. Winds are light, blowing at 10 mph with gusts reaching 11 mph, while the sky remains partly cloudy.

Forecast for Tonight and Tomorrow

Looking ahead, the humidity will persist as the day transitions into night. Tonight, conditions will remain partly cloudy with a low around 73F. There is a slight chance of showers and thunderstorms, with precipitation chances at 20%. Any new rainfall amounts are expected to be less than a tenth of an inch. Winds will shift to a southeast direction at 0 to 5 mph.

Tomorrow brings a high near 89F, with temperatures expected to drop slightly to around 87F in the afternoon. The sky will be mostly sunny, but the chance for showers and thunderstorms increases to 34%. Precipitation amounts could range between a tenth and a quarter of an inch. Winds will continue from the east southeast at 0 to 5 mph. Overnight into tomorrow night, skies will become mostly clear with a low around 72F, though temperatures may rise slightly to around 74F during the night hours.

Safety and Preparedness

With no active National Weather Service or NOAA weather alerts in effect, the primary concern is the intense moisture in the air. The high dew point and humidity can make physical activity feel more exhausting than the actual temperature suggests. Residents are advised to stay hydrated and limit strenuous exertion during the warmest parts of the day. While the chance of storms is present, the amounts are expected to be light, so standard precautions for sudden weather changes are sufficient. Keep an eye on the sky for any developing clouds, but no immediate severe action is required beyond normal summer vigilance.

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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