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5-day forecast / Denison, TX

FridayPartly Sunny91° / 76° 18%
SaturdayMostly Sunny95° / 77° 4%
SundaySunny97° / 77° 3%
MondaySunny98° / 77°
TuesdaySunny101° / 79°

Humidity Peaks in Denison as Temperatures Climb Toward 95 - Jul 17, 12 PM

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

Denison faces oppressive humidity with a dew point of 75F today. Highs near 91F and 95F tomorrow bring heat index values up to 99F. No weather alerts are active.

Briar Iverson

July 17, 20262 min read

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

*As of Jul 17, 12 PM local time.*

Oppressive Humidity and Rising Heat

Denison is currently experiencing oppressively humid conditions this Friday afternoon. The air temperature stands at 81F, but the heat index makes it feel like 86F. Relative humidity is sitting at 84%, with a dew point of 75F contributing to the muggy atmosphere.

Winds are blowing from the south southwest at 8 mph, with gusts reaching 13 mph. The sky remains mostly cloudy as the day progresses.

Today, the high will reach near 91F, with a low near 76F expected later. The chance of precipitation is low at 9%, and skies will be partly sunny. According to the National Weather Service, heat index values could climb as high as 97F today. Winds will shift to a south southwest direction around 10 mph, with gusts potentially hitting 20 mph.

Outlook for Tonight and Tomorrow

Tonight, conditions will remain mostly cloudy with a low around 76F. South winds will persist at 5 to 10 mph, with gusts as high as 20 mph. There is no significant change in humidity levels expected overnight.

Tomorrow, the heat will intensify. The high will approach 95F, with a low near 77F. The sky will be mostly sunny, and the chance of precipitation drops to 4%.

Heat index values are forecast to reach as high as 99F. Winds will continue from the south southwest at 5 to 10 mph. Tomorrow night, skies will clear to mostly clear, with a low around 77F and heat index values remaining high at 99F.

There are no active National Weather Service or NOAA weather alerts in effect for Denison at this time. However, the combination of high temperatures and extreme humidity requires caution. Residents should stay hydrated and limit prolonged outdoor exertion during the hottest parts of the day. Check on neighbors and elderly relatives to ensure they are staying cool and safe in the rising heat.

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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