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5-day forecast / Denison, TX

SundayChance Showers And Thunderstorms92° / 73° 60%
MondaySlight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms89° / 73° 36%
TuesdaySlight Chance Showers And Thunderstorms89° / 72° 23%
WednesdaySlight Chance Showers And Thunderstorms89° / 73° 23%
ThursdayMostly Sunny92° / 75° 5%

Humid Start to Sunday in Denison with Afternoon Storms Expected - Jul 12, 8 AM

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

High humidity and a 60% chance of showers and thunderstorms mark today's forecast for Denison. Temperatures will climb near 92F with heat indices reaching 99F.

Briar Iverson

July 12, 20262 min read

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

*As of Jul 12, 8 AM local time.*

Current Conditions and Humidity

It is currently Sunday this morning in Denison, TX, and the air is quite heavy with moisture. The current air temperature sits at 74F, while the feels-like temperature is 75F. Relative humidity is at 94%, with a dew point of 72F indicating significant stickiness. Winds are blowing from the south southeast at 9 mph, with gusts reaching 3 mph. The sky remains clear at this hour, but that is set to change as the day progresses.

Today and Tonight Forecast

Today, residents can expect a high near 92F, with temperatures dropping to around 89F in the afternoon. The heat index values are forecast to reach as high as 99F. There is a 60% chance of precipitation, with showers and thunderstorms likely. Specifically, there is a chance of showers and thunderstorms before 4pm, followed by showers and thunderstorms likely later in the day. New rainfall amounts between a tenth and quarter of an inch are possible. Winds will shift to the south southeast around 5 mph.

Tonight, conditions will remain mostly cloudy with a low around 73F. Temperatures may rise to around 75F overnight. The chance of precipitation remains at 60%, with showers and thunderstorms likely before 7pm, followed by a chance of showers and thunderstorms afterward. Winds will be light, from the east southeast at 0 to 5 mph. Another tenth to quarter of an inch of rain is possible.

Tomorrow Outlook

Tomorrow, the high will be near 89F, with a low around 73F. The heat index is expected to reach 97F. Precipitation chances decrease to 36%, described as a slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, followed by a chance of showers and thunderstorms. The sky will be partly sunny. Winds will be from the east at 0 to 5 mph. New rainfall amounts will be less than a tenth of an inch.

Safety Reminder

Given the high humidity and potential for severe weather, stay hydrated and limit midday exertion. Keep an eye on local updates as storms develop.

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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