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5-day forecast / Denison, TX

TuesdaySunny102° / 80°
WednesdaySunny102° / 80°
ThursdayMostly Sunny102° / 81° 1%
FridayMostly Sunny103° / 80° 6%
SaturdaySunny98° / 73° 7%

Heat Advisory in Effect for Denison as Temperatures Climb Near 102F - Jul 28, 8 AM

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

A Heat Advisory is active for Denison, TX, with highs near 102F and heat indices reaching 109F. Humidity remains high, making conditions feel oppressive.

Briar Iverson

July 28, 20262 min read

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

*As of Jul 28, 8 AM local time.*

Current Conditions and Alert Status

Denison, TX, is currently under an active Heat Advisory issued by the National Weather Service. This moderate-severity alert is in effect from early Tuesday morning until 8:00 PM CDT today. The advisory highlights the dangerous heat levels expected to impact the area, urging residents to take precautions against extreme temperatures.

Right now, the air temperature sits at 77F, with a feels-like temperature of 78F. The atmosphere is quite humid, with a relative humidity of 83% and a dew point of 72F. Winds are blowing from the south southwest at 8 mph, with gusts reaching up to 24 mph. The sky remains clear as the day begins to warm.

Forecast for Today and Tomorrow

Today, the sun will dominate the sky, bringing mostly sunny conditions. The high will reach near 102F, while the low will settle around 80F. There is no chance of precipitation, with a 0% probability of rain.

The National Weather Service notes that heat index values will climb as high as 107F during the day. Winds will shift to the south southwest, ranging from 5 to 10 mph.

Tonight, skies will clear out, becoming mostly clear. Temperatures will drop to a low around 80F, though they may rise slightly to around 82F overnight. The heat index is expected to remain high at 107F. Winds will ease to the south at around 5 mph.

Tomorrow, the heat continues with sunny skies and a high near 102F. The low will again be near 80F. No rain is expected, maintaining a 0% chance of precipitation. Heat index values are forecast to peak at 108F. Winds will remain light from the south southwest at around 5 mph.

Safety Reminders

Given the active Heat Advisory and the oppressive humidity, it is critical to stay hydrated and limit outdoor exertion, especially during the midday hours. Check on neighbors and elderly relatives who may be vulnerable to heat-related illnesses. Keep living spaces cool and avoid direct sun exposure whenever possible.

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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