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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 Persists: Highs Near 99F Expected Today and Tomorrow - Jul 10, 4 PM

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

Denison residents face another day of intense heat with temperatures near 99F and heat index values up to 102F. No severe weather alerts are in effect for the area.

Briar Iverson

July 10, 20262 min read

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

*As of Jul 10, 4 PM local time.*

Intense Heat Continues

Denison is bracing for another day of sweltering conditions as the heat index remains elevated. Currently, the air temperature sits at 97F, but the combination of heat and humidity makes it feel like 99F. The relative humidity is at 35% with a dew point of 64F. Winds are blowing from the south southwest at 12 mph, with gusts reaching 15 mph, under a clear sky.

Today, the high will reach near 99F, with heat index values climbing as high as 102F. The National Weather Service forecasts sunny skies and south southwest winds around 10 mph. There is a 0% chance of precipitation. Temperatures will drop to a low near 79F tonight. Conditions will remain clear with south winds around 10 mph, and heat index values will stay high, reaching up to 100F.

Outlook for Tomorrow

The heat will linger into tomorrow. The high is forecast to be near 97F, with heat index values as high as 101F. Skies will remain sunny, and south southwest winds will be lighter, ranging from 5 to 10 mph. The chance of precipitation is minimal at 2%.

Looking ahead to tomorrow night, a chance of showers and thunderstorms is expected after 4am. Skies will become mostly clear with a low around 79F. Heat index values will remain near 101F, and south winds will decrease to around 5 mph. The chance of precipitation rises to 30%, with new rainfall amounts less than a tenth of an inch possible.

There are no active National Weather Service or NOAA weather alerts in effect for Denison at this time. However, the persistent heat requires caution. Residents should stay hydrated and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning, to ensure their safety during these high-temperature days.

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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