Denison Heat Advisory in Effect as Temperatures Soar to 99F - Jul 25, 4 PM

*As of Jul 25, 4 PM local time.*

Dangerous Heat Conditions Underway

A Heat Advisory is currently in effect for Denison, Texas, signaling dangerous heat conditions for the area. The National Weather Service has issued this moderate-severity alert due to the combination of high temperatures and humidity. Right now, the air temperature stands at 97F, but the heat index makes it feel like 105F.

The atmosphere is holding significant moisture, with a dew point of 72F and relative humidity at 44%. Winds are blowing from the south southwest at 9 mph, with gusts reaching 11 mph, under a clear sky.

Forecast for Today and Tomorrow

Today will be sunny with a high near 99F. The heat index is expected to climb as high as 109F during the day. South southwest winds will remain around 10 mph.

The chance of precipitation is minimal at 1%. As tonight approaches, skies will become mostly clear. Temperatures will drop to a low near 80F, though they may rise slightly to around 82F overnight.

The heat index will remain elevated, reaching up to 108F. Winds will shift to the south at 5 to 10 mph.

Tomorrow will also be sunny, with a high near 101F. The heat index is forecast to reach 108F. Southwest winds will continue at 5 to 10 mph.

The chance of rain remains low at 1%. Following tomorrow, skies will clear for the night, with a low around 79F and temperatures rising to about 81F overnight. The heat index will stay high at 108F, with south winds around 5 mph.

Safety Reminders

Given the active Heat Advisory and the dangerous heat index values, it is critical to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the afternoon.

Check on elderly neighbors or those who may be vulnerable to heat-related illnesses. If you must be outside, seek shade or air-conditioned spaces whenever possible. Be aware that the high humidity can make the heat feel more oppressive than the actual air temperature suggests.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com