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5-day forecast / Melissa, TX

MondaySunny99° / 78° 1%
TuesdaySunny102° / 80°
WednesdaySunny102° / 79°
ThursdaySunny98° / 78°
FridaySunny99° / 80° 1%

Dangerous Heat Index Hits 101F in Melissa as Humidity Rises - Jul 19, 12 PM

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

Melissa residents face dangerous heat today with a feels-like temperature of 101F. Humidity levels are high, and a slight chance of storms may develop later.

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, 12 PM local time.*

Dangerous Heat and High Humidity

Melissa is currently under the influence of dangerous heat conditions this Sunday afternoon. The air temperature stands at 91F, but the combination of heat and moisture pushes the feels-like temperature to 101F. This significant heat index value indicates that the body’s ability to cool itself through sweating is severely compromised.

Relative humidity is at 56%, with a dew point of 73F, creating a muggy atmosphere that feels oppressive even in the shade. Winds are blowing from the south southwest at 9 mph, with gusts reaching 12 mph, offering little relief from the warmth. The sky remains clear overhead, allowing full solar intensity to contribute to the rising temperatures.

Forecast for Today and Tomorrow

Temperatures are expected to climb further today, with a high near 96F. The National Weather Service indicates that heat index values could reach as high as 104F during the peak afternoon hours. While the morning will be sunny, there is a slight chance of showers and thunderstorms developing after 4pm.

The chance of precipitation is listed at 20% for this period. Overnight, conditions will become mostly clear with a low around 78F. There is also a slight chance of showers and thunderstorms before 7pm.

Temperatures may rise slightly to around 80F overnight, with heat index values up to 99F. Winds will shift to the south at 5 to 10 mph.

Looking ahead to tomorrow, the heat will intensify. The forecast calls for a high near 99F under sunny skies. Heat index values are expected to reach 105F, making it feel even hotter than the actual air temperature.

The chance of precipitation drops significantly to just 2%, meaning dry and sunny conditions will dominate. Winds will be light, coming from the southwest around 5 mph. Tomorrow night will be clear with a low around 79F and heat index values up to 102F.

Safety Reminder

Given the dangerous heat index values exceeding 100F, it is critical to stay hydrated and limit outdoor exertion, especially during the midday and early afternoon hours. Check on elderly neighbors and ensure pets have access to cool water and shade. Avoid direct sun exposure as much as possible and seek air-conditioned environments during the hottest parts of the day.

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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