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5-day forecast / Melissa, TX

SundayMostly Sunny then Chance Showers And Thunderstorms98° / 76° 25%
MondaySunny95° / 75° 14%
TuesdayMostly Sunny95° / 77° 14%
WednesdaySunny98° / 81° 4%
ThursdaySunny100° / 81°

Dangerous Heat Index Hits 103F in Melissa as Humidity Lingers

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

Melissa residents face dangerous heat today with a heat index of 103F. Humidity remains high with a dew point of 72F. No severe weather alerts are active.

Arlen Iverson

July 4, 20262 min read

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

Dangerous Heat and High Humidity

Melissa is currently under the influence of dangerous heat conditions this Saturday afternoon. The air temperature stands at 95F, but the combination of heat and moisture pushes the feels-like temperature to a hazardous 103F. This significant heat index value indicates that the body will struggle to cool itself effectively, making prolonged outdoor exposure risky.

The atmosphere is also holding a substantial amount of moisture. The relative humidity is at 47%, with a dew point of 72F. This level of humidity contributes to the oppressive feel of the heat and can make the air feel heavier and more stagnant. Winds are currently blowing from the south at 9 mph, with gusts reaching up to 11 mph, providing minimal relief from the warmth. The sky remains clear overhead, allowing full solar intensity to drive temperatures upward.

Forecast for Today and Tomorrow

Temperatures are expected to remain elevated through the rest of the day. The high near 96F will be reached later this afternoon, with the low near 78F expected tonight. There is a slight chance of showers and thunderstorms developing after 4pm today, though the chance of precipitation remains low at 14%. Overnight, the heat index may drop slightly but will still reach values as high as 102F. Temperatures will rise to around 80F during the night hours.

Tomorrow brings even hotter conditions with a high near 98F. The sky will be mostly sunny initially, but a chance of showers and thunderstorms is expected after 4pm. The chance of precipitation increases to 25% for the day, with new rainfall amounts less than a tenth of an inch possible. The low near 76F will follow, with the heat index reaching as high as 101F. There are no active National Weather Service or NOAA weather alerts in effect for this area.

Safety Reminder

Given the dangerous heat index values, it is critical to stay hydrated and limit midday exertion. Seek air-conditioned environments during the hottest parts of the day. Check on neighbors, especially the elderly and those without reliable cooling, to ensure their safety during this period of extreme 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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Arlen Iverson

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

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