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5-day forecast / Melissa, TX

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

Melissa Heat Index Hits 102 Tonight as Humidity Lingers - Jul 19, 8 PM

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

Melissa, TX residents face a very hot evening with a heat index near 102F. Tonight brings a chance of showers before clearing up, while tomorrow promises sunny skies and highs near 100F.

Arlen Iverson

July 20, 20261 min read

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

*As of Jul 19, 8 PM local time.*

Current Conditions and Heat Index

Melissa is experiencing very hot conditions this Sunday evening. The air temperature stands at 90F, but the heat index makes it feel like 99F. Humidity levels are quite high, with a dew point of 74F and relative humidity at 59%. Winds are light from the south at 7 mph, with gusts reaching 11 mph. The sky remains clear overhead.

Tonight and Tomorrow Forecast

Tonight, there is a chance of showers and thunderstorms before 10pm. After that, skies will become mostly clear. Temperatures will drop to a low around 78F. The heat index will remain elevated, with values as high as 102F. South winds will persist at 5 to 10 mph. The chance of precipitation is 30%.

Tomorrow, the weather will turn sunny with a high near 100F. The heat index is expected to climb even higher, reaching values as high as 107F. Southwest winds will be around 5 mph. The chance of precipitation drops to just 2%.

Tomorrow night, skies will be clear. Temperatures will fall to a low around 78F, though they may rise to around 80F overnight. The heat index will stay high at values as high as 105F. South winds will continue at around 5 mph.

Safety and Alerts

There are no active National Weather Service or NOAA weather alerts in effect for Melissa at this time. However, the extreme heat and humidity require caution. Residents should stay hydrated and limit midday exertion when possible.

As temperatures rise toward 100F tomorrow, check on neighbors who may be vulnerable to the heat. Layering up is not necessary, but protecting against the sun and heat is essential. Please monitor local updates for any changes in conditions.

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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