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5-day forecast / Melissa, TX

MondaySunny99° / 79° 10%
TuesdaySunny102° / 81° 1%
WednesdaySunny102° / 79° 1%
ThursdaySunny99° / 78° 1%
FridaySunny99° / 80° 1%

Dangerous Heat Index Hits 103F in Melissa as Humidity Lingers - Jul 19, 4 PM

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

Melissa residents face dangerous heat today with a heat index of 103F. Conditions remain hot and humid through tomorrow, with highs near 99F and no severe weather alerts in effect.

Arlen Iverson

July 19, 20262 min read

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

*As of Jul 19, 4 PM local time.*

Current Conditions and Heat Risk

Melissa is currently experiencing dangerous heat conditions this Sunday afternoon. The air temperature stands at 93F, but the combination of heat and moisture creates a feels-like temperature of 103F. This significant heat index value poses a serious risk for heat-related illnesses if proper precautions are not taken.

Humidity levels are also quite high, with the relative humidity at 53% and a dew point of 73F. These atmospheric conditions contribute to the oppressive feel of the weather. Winds are blowing from the south at 10 mph, with gusts reaching up to 16 mph, while the sky remains clear overhead.

Forecast for Today and Tomorrow

Today, the high will reach near 96F under mostly sunny skies. The National Weather Service indicates heat index values could climb as high as 106 during the peak heat of the day. There is a slight chance of precipitation at 13%, but the primary focus remains on the intense heat. South winds will continue around 10 mph.

Tonight, conditions will remain hot with a low near 78F. A slight chance of showers and thunderstorms exists between 7pm and 10pm, though skies will otherwise be mostly clear. The heat index will stay elevated, with values as high as 102. Winds will decrease slightly to 5 to 10 mph from the south.

Tomorrow, the heat will persist and intensify. Expect sunny skies with a high near 99F. Heat index values are forecast to reach 106 again. The chance of precipitation drops to just 2%. Winds will shift to the south southwest at 5 to 10 mph. Temperatures will remain warm overnight, rising to around 80F with a low near 78F and heat index values up to 104.

Safety Reminders

Given the dangerous heat index values exceeding 100F, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day. Check on neighbors and vulnerable individuals who may be at higher risk from the extreme heat. There are currently no active National Weather Service alerts for this area, but the heat itself remains the primary hazard.

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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Arlen Iverson

Arlen Iverson covers weather, storms, and seasonal life around Melissa.

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