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5-day forecast / Denison, TX

WednesdaySunny100° / 79° 5%
ThursdayMostly Sunny100° / 78° 13%
FridaySunny100° / 77°
SaturdaySunny100° / 76°
SundaySunny99° / 76° 5%

Denison Heat Advisory: Dangerous Heat Index Values Expected - Sep 16, 2 PM

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

A Heat Advisory is active for Denison as air temperatures reach 97F and heat index values climb toward 102F. Residents should stay hydrated and limit midday exertion.

Briar Iverson

September 16, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 16, 2 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently in effect for the Denison area, signaling dangerous heat conditions. It is currently Wednesday this afternoon, and the air temperature stands at 97F. Due to the combination of heat and humidity, the feels-like temperature has reached 101F.

The relative humidity is 37%, with a dew point of 66F. Winds are blowing from the south southeast at 8 mph, with gusts up to 12 mph. The sky is mostly cloudy at the moment, but the heat remains the primary concern for residents.

Today and Tonight Outlook

For the remainder of today, conditions will turn sunny with a high near 100F. Temperatures are expected to fall to around 98F in the afternoon. Heat index values could reach as high as 102F.

The chance of precipitation is low at 5%. Tonight, the sky will be mostly clear with a low around 79F. Interestingly, temperatures may rise to around 81F overnight, keeping heat index values near 99F.

Winds will remain light from the south southeast at around 5 mph.

Tomorrow's Forecast

Tomorrow will bring mostly sunny skies with a high near 100F. Temperatures are expected to dip to around 97F in the afternoon. The heat index could climb to 105F, making the perceived heat even more intense.

The chance of precipitation increases slightly to 13%. Tomorrow night will be mostly clear with a low around 78F. Temperatures may rise to 80F overnight, with heat index values reaching 101F.

Winds will continue to blow from the south southeast at around 5 mph.

Safety Reminders

Given the active Heat Advisory, it is crucial to take precautions. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion during the hottest parts of the day.

Check on elderly neighbors or those without air conditioning. If you must be outside, wear light-colored, loose-fitting clothing and use sun protection. Monitor the weather updates from the National Weather Service for any changes to the advisory.

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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