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5-day forecast / Denison, TX

ThursdayMostly Sunny101° / 81° 2%
FridayMostly Sunny103° / 79° 2%
SaturdayMostly Sunny95° / 72° 9%
SundaySunny93° / 72°
MondaySunny95° / 75° 1%

Heat Advisory in Effect for Denison as Temperatures Soar Near 101F - Jul 30, 8 AM

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

A Heat Advisory is active for Denison, TX, with highs near 101F and heat index values reaching 107F today. Humidity remains high with a dew point of 72F.

Briar Iverson

July 30, 20262 min read

Local sports
Local sports

*As of Jul 30, 8 AM local time.*

Current Conditions and Alert Status

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 significant humidity. As of this morning, the air temperature stands at 81F, but the heat index makes it feel like 85F.

The atmosphere is quite humid, with a dew point of 72F and relative humidity at 74%. Winds are currently light at 6 mph, though gusts have reached 17 mph. The sky remains clear under the intense sun.

Forecast for Today and Tonight

Today will be extremely hot and mostly sunny, with a high near 101F. The heat index is expected to climb as high as 107F. South southwest winds will blow between 5 to 10 mph.

The chance of precipitation is minimal at just 2%. As evening approaches, skies will turn mostly clear. Temperatures will drop to a low near 81F, though they may rise slightly to around 83F overnight.

The heat index will remain elevated, staying as high as 107F. Winds will shift to the south at around 5 mph.

Outlook for Tomorrow

Tomorrow will continue the trend of intense heat, with skies remaining mostly sunny. The high will reach near 103F, making it even hotter than today. The heat index is forecast to peak at 107F during the day.

Southwest winds will pick up slightly, ranging from 5 to 10 mph. The chance of rain remains low at 2%. Overnight, skies will become partly cloudy.

Temperatures will fall to a low near 79F, potentially rising to around 81F later in the night. The heat index will stay high at 108F. Winds will shift to the west southwest at 5 to 10 mph.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, it is critical to take precautions. Stay hydrated by drinking plenty of water throughout the day, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

Check on elderly neighbors or those without air conditioning to ensure their safety. If you must be outside, seek shade and wear lightweight, light-colored clothing to help manage the heat.

Latest National Weather Service radar for North Texas (KFWS radar). Source: radar.weather.gov.

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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