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5-day forecast / Denison, TX

MondaySunny100° / 80° 1%
TuesdaySunny102° / 79° 1%
WednesdaySunny100° / 79° 5%
ThursdaySunny99° / 77° 2%
FridaySunny98° / 75° 1%

Denison Heat Advisory: Highs Near 100F, Humidity High - Sep 14, 2 PM

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

A Heat Advisory is active for Denison. Current conditions show 79F with high humidity. Today's high is near 100F, with heat indices reaching 104F. Stay hydrated and limit midday exertion.

Briar Iverson

September 14, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 14, 2 PM local time.*

Heat Advisory in Effect

A Heat Advisory is currently active for the Denison area, issued by the National Weather Service. This advisory remains in effect until tomorrow evening. Residents should be prepared for sustained high temperatures and elevated heat index values throughout the day and into the night.

The combination of high air temperatures and significant humidity will make the weather feel considerably warmer than the actual air temperature indicates.

Current Conditions and Today's Outlook

It is currently Monday afternoon in Denison. The air temperature is 79F, but it feels like 82F due to the moisture in the air. Relative humidity stands at 79%, with a dew point of 72F, contributing to the muggy conditions.

Winds are blowing from the south at 8 mph, with gusts reaching 16 mph, and the sky is clear. Today, the high temperature is expected to reach near 100F. Temperatures may dip slightly to around 98F in the afternoon, but heat index values will climb as high as 104F.

The chance of precipitation is minimal at 1%, and sunny skies are expected to persist. South winds will average around 10 mph.

Tonight and Tomorrow

Tonight will be clear with a low around 80F. Interestingly, temperatures are expected to rise to around 82F overnight, with heat index values reaching 101F. South winds will continue at approximately 10 mph.

Tomorrow will bring another sunny day with a high near 102F. Heat index values will again reach as high as 104F. Winds will shift to the south-southwest, averaging around 10 mph.

The chance of rain remains very low at 1%. Given the persistent heat and humidity, it is important to stay hydrated, limit outdoor exertion during the hottest parts of the day, and check on vulnerable neighbors or family members who may be more sensitive to the heat.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Briar Iverson

Briar Iverson covers weather, storms, and seasonal life around Denison.

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