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5-day forecast / Melissa, TX

SundaySlight Chance Showers And Thunderstorms96° / 74° 46%
MondayChance Showers And Thunderstorms92° / 73° 38%
TuesdaySlight Chance Rain Showers then Slight Chance Showers And Thunderstorms91° / 73° 23%
WednesdayMostly Sunny then Slight Chance Showers And Thunderstorms91° / 74° 17%
ThursdayMostly Sunny93° / 76° 8%

Dangerous Heat Index Hits 103F in Melissa; Storms Possible Tomorrow - Jul 11, 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. Clear skies give way to a chance of showers and thunderstorms tomorrow.

Arlen Iverson

July 11, 20262 min read

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

*As of Jul 11, 4 PM local time.*

Dangerous Heat Arrives in Melissa

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 humidity pushes the feels-like temperature to a hazardous 103F. Relative humidity is at 47%, with a dew point of 72F, creating a muggy atmosphere that amplifies the perceived heat. Winds are blowing from the south at 10 mph, with gusts reaching 15 mph, while the sky remains clear overhead.

Today and Tomorrow Forecast

Today will remain sunny with a high near 96F. The heat index is expected to reach as high as 103F during the day. As evening approaches tonight, skies will become mostly clear, allowing temperatures to drop to a low around 78F. The heat index will remain elevated, staying as high as 101F, with south winds lightening to 5 to 10 mph. The chance of precipitation is minimal at just 1%.

Tomorrow brings a shift in conditions. While the high will remain near 96F, the heat index could climb even higher, reaching 105F. The sky will be mostly sunny, but there is a significant chance of showers and thunderstorms. These storms are expected to develop after 7am. The chance of precipitation is listed at 46%, with new rainfall amounts less than a tenth of an inch possible. Winds will shift to the south at around 5 mph.

Safety Reminders

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. As storms approach tomorrow, monitor local updates for any changes in timing or intensity. While there are no active weather alerts in effect, the potential for rapid weather changes tomorrow warrants caution. Ensure you have a plan for severe weather and check on neighbors who may be vulnerable to 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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