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5-day forecast / Denison, TX

TuesdaySlight Chance Showers And Thunderstorms94° / 75° 20%
WednesdaySlight Chance Showers And Thunderstorms96° / 78° 17%
ThursdaySunny98° / 79°
FridaySunny97° / 80°
SaturdaySunny95° / 79° 10%

Denison Heat Index Climbs to 102 Tomorrow Amid Humid Conditions - Jul 7, 12 PM

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

Denison faces rising heat indices up to 102 degrees tomorrow. Current humidity is high with a dew point of 73F. No severe weather alerts are active.

Briar Iverson

July 7, 20262 min read

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

*As of Jul 7, 12 PM local time.*

Current Conditions and Humidity

Denison is experiencing notably humid air this afternoon. The current air temperature stands at 86F, but the heat index makes it feel like 93F. Relative humidity is at 66%, with a dew point of 73F contributing to the muggy atmosphere. Winds are light at 6 mph, with gusts reaching 4 mph, under a clear sky.

Today and Tonight Forecast

Today, the high will reach near 94F. There is a slight chance of showers and thunderstorms, with a 20% probability of precipitation. The National Weather Service notes a slight chance of these storms before 7pm. Heat index values may climb as high as 99 during the day. South winds will range from 0 to 5 mph.

Tonight, skies will become mostly clear. The low will drop to around 74F, though temperatures may rise slightly to around 76F overnight. The heat index will remain elevated, with values as high as 97. Southeast winds will blow around 5 mph. The chance of precipitation remains at 20%, with a slight chance of showers and thunderstorms possible before 7pm.

Tomorrow Outlook

Tomorrow, the heat will intensify significantly. The sky will be sunny with a high near 97F. The heat index is expected to reach as high as 102. South winds will be around 5 mph. The chance of precipitation drops to 10%. Tomorrow night will be clear with a low around 78F, and temperatures may rise to around 80F overnight. The heat index will stay high at 102, with south winds increasing to 5 to 10 mph.

Safety Reminder

With heat indices approaching 102 degrees, extreme caution is advised. Stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to the heat. There are no active National Weather Service or NOAA weather alerts in effect for this area.

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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