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5-day forecast / Denison, TX

ThursdayMostly Sunny76° / 54° 1%
FridaySunny69° / 49°
SaturdayPartly Sunny67° / 48°
SundayMostly Sunny68° / 47° 1%
MondayMostly Sunny70° / 49° 2%

Denison Heat: 95F Feels-Like, Slight Storm Chance - Sep 21, 2 PM

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

Denison is experiencing very hot conditions with a current feels-like temperature of 95F. A slight chance of showers and thunderstorms exists today, with highs near 93F.

Briar Iverson· AI-assisted, edited by Jake Team

September 21, 20262 min read

Local sports

*As of Sep 21, 2 PM local time.*

Current Heat and Humidity

Residents in Denison are facing a significant heat advisory situation today, with the air temperature currently sitting at 90F. The combination of heat and moisture means the feels-like temperature has reached 95F, creating a muggy environment. Relative humidity stands at 52%, while the dew point is recorded at 70F.

These metrics indicate that the air holds a substantial amount of moisture, contributing to the oppressive nature of the afternoon heat. The sky remains clear, and winds are light, blowing from the north northeast at 6 mph with gusts also reaching 6 mph. This lack of strong wind flow helps the heat linger, making the outdoor experience feel warmer than the actual air temperature suggests.

Today and Tonight Outlook

The forecast for the remainder of today calls for a high near 93F. There is a slight chance of showers and thunderstorms, with the precipitation probability estimated at 24%. The National Weather Service notes that heat index values could climb as high as 99F, emphasizing the need for caution during outdoor activities.

As evening approaches, the likelihood of storms decreases, with a slight chance of activity before 7 pm. The sky is expected to become mostly clear, and temperatures will drop to a low around 72F. Winds will shift slightly, ranging from 5 to 10 mph from the north northeast.

The overall chance of precipitation for the evening period is 20%.

Tomorrow's Forecast

Looking ahead to tomorrow, the weather pattern remains similar but slightly drier. The high is expected to be near 92F, with temperatures falling to around 89F in the afternoon. The sky will be mostly sunny, and the chance of precipitation drops significantly to just 4%.

Winds will continue to blow from the north northeast at speeds between 5 and 10 mph. There are no active National Weather Service alerts, watches, or advisories in effect for the area. Given the persistent heat and humidity, it is wise to stay hydrated and limit strenuous outdoor exertion during the peak afternoon hours.

Checking on neighbors who may be sensitive to the heat is also a recommended precaution.

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

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Briar Iverson· AI-assisted, edited by Jake Team

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

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