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5-day forecast / Denison, TX

ThursdayChance Showers And Thunderstorms88° / 73° 33%
FridayPartly Sunny91° / 75° 11%
SaturdaySunny94° / 76° 3%
SundaySunny95° / 77° 3%
MondaySunny98° / 78°

Denison Heat Index Hits 98F; Scattered Storms Possible This Afternoon - Jul 16, 4 PM

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

Temperatures in Denison are soaring with a feels-like of 98F. A chance of showers and thunderstorms lingers through the afternoon, with humidity remaining high.

Briar Iverson

July 16, 20262 min read

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

*As of Jul 16, 4 PM local time.*

Current Conditions and Heat

Denison is experiencing very hot conditions this afternoon, with the air temperature at 90F. Due to the humidity, the heat index is pushing the feels-like temperature to 98F. The relative humidity is currently at 59%, with a dew point of 73F, creating a muggy atmosphere.

Winds are blowing from the south at 9 mph, with gusts reaching up to 18 mph. The sky remains mostly cloudy, limiting direct sun exposure but trapping heat.

Forecast for Today and Tonight

Today, the high will reach near 88F. There is a 33% chance of precipitation, with showers and thunderstorms possible. According to the National Weather Service, there is a chance of showers and thunderstorms before 4pm, followed by a continued chance later in the day. New rainfall amounts of less than a tenth of an inch are possible. Winds will be south around 10 mph.

Tonight, conditions will remain mostly cloudy with a low near 73F. The chance of precipitation stays at 30%, with a chance of showers and thunderstorms before 7pm. South winds will decrease to 5 to 10 mph. Again, less than a tenth of an inch of rain is possible.

Tomorrow Outlook

Tomorrow, the weather will shift to partly sunny skies. The high will climb to near 91F, with heat index values as high as 97F. The chance of precipitation drops to 11%.

Winds will be from the south southwest at 5 to 10 mph. Overnight, skies will become partly cloudy, with a low around 75F. Temperatures may rise slightly to around 77F during the night.

South southwest winds will continue at 5 to 10 mph.

Safety Reminder

With the heat index reaching 98F today and 97F tomorrow, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly, who may be more vulnerable to heat-related illnesses. If storms develop, 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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