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5-day forecast / Denison, TX

FridaySunny99° / 76°
SaturdaySunny99° / 76°
SundayMostly Sunny98° / 75° 13%
MondayChance Showers And Thunderstorms95° / 71° 34%
TuesdaySlight Chance Rain Showers91° / 69° 18%

Denison Heat: Highs Near 99F, Feels Like 98F - Sep 17, 2 PM

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

Denison is experiencing very hot conditions this afternoon. Current temperatures are 93F, feeling like 98F, with a high near 99F expected today. A slight chance of showers exists, but sunny skies dominate.

Briar Iverson

September 17, 20261 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 17, 2 PM local time.*

Current Heat and Conditions

Denison residents are facing intense heat this afternoon. The air temperature currently sits at 93F, but the combination of humidity and heat makes it feel like 98F. Relative humidity is at 44%, and the dew point is 68F.

Winds are light, blowing from the south southeast at around 5 mph with gusts up to 7 mph. The sky is mainly clear, offering little relief from the direct sun. This level of heat requires caution, especially for those spending time outdoors.

Today and Tonight Outlook

The day will remain hot, with a high near 99F. Temperatures are expected to fall to around 97F in the afternoon. There is a slight chance of rain showers after 4pm, though precipitation chances are only 10%.

Tonight, the sky will be mostly clear with a low around 79F. A slight chance of showers exists before 7pm. Heat index values could reach as high as 100F, keeping the muggy feel persistent into the evening.

Winds will continue from the south southeast at about 5 mph.

Tomorrow and Safety

Tomorrow will bring similar heat, with a high near 99F and a low around 76F. The sky will be sunny, and the chance of precipitation drops to just 2%. Heat index values may reach 99F.

Winds will shift slightly to the south southwest, ranging from 0 to 5 mph. There are no active weather alerts in effect for the area. Given the sustained high temperatures and high heat index values, it is important to stay hydrated and limit midday exertion.

Check on neighbors and ensure pets have access to shade and water. The heat is the primary concern, so plan outdoor activities for cooler parts of the day.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Briar Iverson

Briar Iverson covers weather, storms, and seasonal life around Denison.

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