Heat Advisory in Effect for Denison as Temperatures Climb - Aug 11, 12 PM

*As of Aug 11, 12 PM local time.*

Dangerous Heat Conditions Underway

Denison, TX, is currently experiencing significant heat stress as a Heat Advisory remains in effect. The National Weather Service has issued this moderate-severity alert due to dangerously high temperatures and humidity levels that will make the air feel much hotter than it actually is.

Right now, the air temperature stands at 91F, but the combination of heat and moisture pushes the feels-like temperature to 101F. The relative humidity is at 56%, with a dew point of 73F, indicating substantial moisture in the air. Winds are blowing from the south southwest at around 10 mph, with gusts reaching up to 20 mph expected later.

Forecast for Today and Tomorrow

Today, skies will remain sunny with a high near 99F. The heat index is expected to peak at 104 during the day. Temperatures will drop slightly tonight under clear skies, with a low near 79F. However, conditions will not cool down significantly overnight, as temperatures may rise to around 81F while the heat index stays high at 101F.

Tomorrow brings even more intense heat. Expect another sunny day with a high near 101F. The heat index could climb as high as 105, making it feel extremely hot.

Winds will continue from the south around 10 mph, with gusts potentially reaching 20 mph. Overnight tomorrow, skies will clear again, with a low around 79F and temperatures rising to about 81F. The heat index will remain elevated at 102.

Safety Reminders

With the Heat Advisory active, it is crucial to take precautions against extreme heat. Stay hydrated by drinking plenty of water throughout the day, even if you do not feel thirsty. Limit outdoor exertion, especially during the hottest parts of the afternoon when temperatures peak.

If you must be outside, seek shade or air-conditioned spaces frequently. Check on neighbors, particularly the elderly and those with health conditions, who may be more vulnerable to heat-related illnesses. Avoid leaving children or pets in parked vehicles, as interior temperatures can rise rapidly to dangerous levels.

This advisory highlights the need for vigilance as Denison navigates this period of intense heat. Please monitor local weather updates for any changes in conditions.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com