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5-day forecast / Denison, TX

SaturdaySunny97° / 79° 2%
SundayChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms94° / 74° 29%
MondayChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms91° / 73° 27%
TuesdayChance Showers And Thunderstorms89° / 73° 26%
WednesdayChance Showers And Thunderstorms90° / 74° 29%

Denison Heat Index Nears 100 as Clear Skies Persist - Jul 10, 8 PM

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

Temperatures in Denison remain very hot this Friday evening with a feels-like temperature of 98F. Clear skies continue through tonight and tomorrow, with heat index values climbing toward 101 degrees.

Briar Iverson

July 11, 20262 min read

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

*As of Jul 10, 8 PM local time.*

Current Conditions and Heat

It is currently Friday evening in Denison, TX, and the heat is palpable. The air temperature stands at 93F, but the heat index makes it feel like 98F. Relative humidity is at 43% with a dew point of 68F. Winds are blowing from the south at 10 mph, with gusts reaching up to 17 mph. The sky remains clear, offering no relief from the sun’s intensity.

Forecast for Today and Tonight

Today in Denison, the high reached near 98F, while the low settled near 79F. The chance of precipitation was minimal at just 1%, with clear conditions prevailing throughout the day. As tonight approaches, skies will remain clear. The low will drop to around 79F. Heat index values are expected to reach as high as 100. South winds will continue around 10 mph. Residents should remain aware of the oppressive heat even as the sun sets.

Tomorrow and Late Night Outlook

Tomorrow, Denison will see sunny skies with a high near 97F. The low will again be near 79F. The chance of precipitation is slight at 2%. Heat index values may climb as high as 101. Winds will shift to south southwest at 5 to 10 mph.

Looking ahead to tomorrow night, a chance of showers and thunderstorms is possible after 4am. Conditions will become mostly clear with a low around 79F. Heat index values could still reach 101. South winds will decrease to around 5 mph. There is a 30% chance of precipitation, with new rainfall amounts less than a tenth of an inch possible.

Safety Reminder

With heat index values consistently near or above 100 degrees, it is crucial to stay hydrated and limit midday exertion. Check on neighbors and vulnerable individuals who may be less able to cope with the extreme heat. Ensure pets have access to cool water and shade. While there are no active National Weather Service alerts, the persistent heat warrants caution and 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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