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5-day forecast / Denison, TX

SundayChance Showers And Thunderstorms94° / 74° 47%
MondayChance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms92° / 73° 51%
TuesdaySunny91° / 73° 13%
WednesdayMostly Sunny then Slight Chance Showers And Thunderstorms91° / 74° 17%
ThursdayMostly Sunny93° / 76° 8%

Denison Heat Index Hits 101 Tonight as Storms Linger - Jul 11, 8 PM

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

Temperatures in Denison remain sweltering with a feels-like of 98F. Tonight brings a chance of storms after 4am with heat indices reaching 101. Tomorrow sees highs near 94F with scattered showers.

Briar Iverson

July 12, 20261 min read

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

*As of Jul 11, 8 PM local time.*

Sweltering Conditions Continue

Denison is currently experiencing very hot and humid conditions this Saturday evening. The air temperature stands at 92F, but the heat index makes it feel like 98F. Relative humidity is at 47%, with a dew point of 70F. Winds are blowing from the south at 8 mph, with gusts reaching 11 mph. The sky remains clear overhead.

Today, the high reached near 96F before settling down. The low for the day was near 78F. There was a 30% chance of precipitation, with skies transitioning from mostly clear to a chance of showers and thunderstorms later in the day.

Storms and Heat Ahead

Tonight, a chance of showers and thunderstorms is expected after 4am. Skies will be mostly clear, with a low around 78F. Heat index values could climb as high as 101. South winds will decrease to 5 to 10 mph. The chance of precipitation remains at 30%.

Tomorrow, the high will be near 94F, with a low near 74F. The chance of precipitation rises to 47%, with a chance of showers and thunderstorms expected. Skies will be mostly sunny. Heat index values may reach 102. South southeast winds will be around 5 mph. The chance of precipitation is listed at 50%, with new rainfall amounts between a tenth and quarter of an inch possible.

Safety Reminders

Given the high heat indices and potential for storms, residents should stay hydrated and limit midday exertion. Check on neighbors, especially the elderly or those without air conditioning. If storms develop, seek shelter indoors and avoid driving through flooded areas. Monitor local 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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