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5-day forecast / Denison, TX

ThursdaySunny102° / 79° 1%
FridaySunny101° / 81° 4%
SaturdaySunny101° / 79°
SundaySunny102° / 79°
MondaySunny103° / 80°

Dangerous Heat Hits Denison: Feels Like 108F on Wednesday Evening - Aug 12, 5 PM

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

Denison faces dangerous heat with temperatures reaching 100F and feels-like values of 108F. Humidity remains high with a dew point of 70F. No weather alerts are active.

Briar Iverson

August 12, 20262 min read

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

*As of Aug 12, 5 PM local time.*

Current Conditions and Heat Index

Denison is currently experiencing dangerous heat conditions this evening. The air temperature stands at 100F, but the combination of heat and moisture makes it feel significantly hotter. The heat index, or "feels like" temperature, is currently 108F. This level of heat stress poses serious risks to anyone spending time outdoors.

Humidity levels are also quite high for this time of year. The relative humidity is at 37%, with a dew point of 70F. These atmospheric conditions contribute to the oppressive feeling of the heat. Winds are blowing from the south at 10 mph, with gusts reaching up to 16 mph. The sky remains clear, offering no relief from the sun's intensity.

Forecast for Today and Tomorrow

The National Weather Service forecasts continued extreme heat through the end of the day. Today, skies will remain sunny with a high near 102F. Heat index values are expected to climb as high as 109F during the afternoon hours.

South winds will persist at 10 to 15 mph. The low tonight will be near 81F, though temperatures may rise to around 83F overnight. Heat index values will remain elevated at up to 106F tonight, with south winds of 10 to 15 mph and gusts as high as 25 mph.

Tomorrow, the pattern continues with sunny skies and a high near 102F. Heat index values will reach up to 106F. Winds will shift to the south southwest at around 15 mph, with gusts up to 25 mph.

The low tomorrow night will be near 79F, with temperatures rising to around 81F overnight. Heat index values will drop slightly to a high of 104F. There is a minimal chance of precipitation at 1% tomorrow, with no rain expected.

Safety Reminders

There are no active National Weather Service or NOAA weather alerts in effect for Denison at this time. However, the extreme heat index values warrant caution. Residents should stay hydrated and limit midday exertion to avoid heat-related illnesses.

Check on neighbors and vulnerable individuals who may be affected by the high temperatures. Keep vehicles parked in shade when possible and never leave people or pets inside closed cars.

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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