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5-day forecast / Denison, TX

WednesdaySlight Chance Showers And Thunderstorms96° / 78° 17%
ThursdaySunny98° / 79°
FridaySunny97° / 79°
SaturdaySunny96° / 78° 8%
SundayChance Showers And Thunderstorms90° / 76° 37%

Denison Heat Index Hits 98 Tonight With Humid, Muggy Conditions - Jul 7, 8 PM

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

Denison faces a very hot evening with a heat index near 98F. Humidity remains high with a dew point of 73F. No severe weather alerts are active.

Briar Iverson

July 8, 20262 min read

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

*As of Jul 7, 8 PM local time.*

Current Conditions and Heat Index

Denison is experiencing very hot and humid conditions this evening. The air temperature stands at 89F, but the heat index makes it feel like 97F. Relative humidity is at 60%, with a dew point of 73F indicating significant moisture in the air. Winds are blowing from the south southeast at 13 mph, with gusts reaching 14 mph. The sky is mostly clear, allowing heat to linger as the day transitions into night.

Forecast for Tonight and Tomorrow

Tonight, a slight chance of showers and thunderstorms is possible. Temperatures will drop to a low near 75F. The heat index is expected to remain high, with values reaching up to 98. Winds will shift to the south southeast at around 5 mph. The chance of precipitation is 20%.

Tomorrow, the heat will continue with sunny skies. Highs will reach near 96F, and the heat index could climb as high as 101. Winds will come from the south southwest at approximately 5 mph. There is a slight chance of showers and thunderstorms, with a 20% probability of precipitation.

Tomorrow night, conditions will remain mostly clear with a low around 78F. A slight chance of showers and thunderstorms is possible before 7pm. Winds will be from the south at 5 to 10 mph, and the heat index may reach 100. The chance of precipitation remains at 20%.

Safety and Preparedness

There are no active National Weather Service or NOAA weather alerts for Denison at this time. However, the combination of high temperatures and humidity poses health risks. Residents should stay hydrated and limit outdoor exertion during the hottest parts of the day. Check on neighbors, especially the elderly and those with health conditions, to ensure they are safe in the heat. Use air conditioning or visit public cooling centers if home temperatures become uncomfortable. Monitor local weather updates for any changes in conditions.

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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