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5-day forecast / Denison, TX

MondaySunny101° / 79° 2%
TuesdaySunny102° / 81°
WednesdaySunny102° / 79° 1%
ThursdaySunny99° / 79° 1%
FridaySunny99° / 79° 1%

Humidity Clings to Denison as Temperatures Climb Toward 99 - Jul 19, 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 rise to 96F with a slight chance of storms, followed by a hot, sunny tomorrow near 99F.

Briar Iverson

July 19, 20262 min read

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

*As of Jul 19, 8 AM local time.*

Current Conditions and Humidity

Residents in Denison are experiencing a notably humid start to the day. As of this Sunday morning, the air temperature stands at 75F, but the heat index makes it feel like 77F. The relative humidity is holding steady at 89%, with a dew point of 72F indicating significant moisture in the air.

Winds are blowing from the south southwest at 7 mph, with gusts reaching up to 20 mph. Despite the moisture, the sky remains clear overhead.

Today and Tonight Forecast

Temperatures are expected to climb significantly throughout the day. The high near 96F will bring heat index values as high as 102. While the morning will be sunny, there is a slight chance of showers and thunderstorms developing after 4pm. The chance of precipitation is listed at 15% for the day, though the official forecast notes a 20% chance during that late afternoon window.

Overnight, conditions will remain mostly clear. The low will drop to around 78F, though temperatures may rise to approximately 80F later in the night. Heat index values will remain elevated, reaching up to 101. Winds will lighten to around 5 mph from the south southwest. There is a slight chance of showers and thunderstorms before 7pm, with a 20% chance of precipitation.

Tomorrow Outlook

The heat will intensify as the week progresses. Tomorrow will be sunny with a high near 99F. Heat index values are projected to reach as high as 104.

Winds will remain light at around 5 mph from the southwest. The chance of precipitation drops to just 2%, indicating a dry and hot day ahead. Temperatures will settle to a low around 79F tomorrow night, with heat index values staying high at 104.

Safety Reminder

With heat index values exceeding 100F, it is crucial to stay hydrated and limit time spent in direct sun during the hottest parts of the day. Check on neighbors and elderly relatives to ensure they are staying cool. If storms develop later today, seek shelter indoors immediately.

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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