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5-day forecast / Melissa, TX

WednesdaySunny101° / 76° 1%
ThursdaySunny96° / 77° 1%
FridayMostly Sunny96° / 79° 2%
SaturdayMostly Sunny98° / 80° 2%
SundaySunny100° / 80° 1%

Extreme Heat Warning and Air Quality Alert in Effect for Melissa - Jul 22, 12 PM

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

Melissa residents face dangerous heat with a heat index of 112F. An Extreme Heat Warning is active through tonight, alongside a Heat Advisory and Air Quality Alert.

Arlen Iverson

July 22, 20262 min read

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

*As of Jul 22, 12 PM local time.*

Dangerous Heat Conditions Underway

Melissa, TX is currently under an Extreme Heat Warning, signaling severe and potentially life-threatening heat conditions. The National Weather Service has issued this alert due to dangerously high heat index values. Currently, the air temperature stands at 99F, but the combination of heat and humidity makes it feel like 112F.

This oppressive heat is driven by a dew point of 75F and 47% relative humidity. Winds are light at 6 mph with gusts up to 13 mph, and the sky remains clear.

The Extreme Heat Warning is in effect until 8:00PM CDT today. Additionally, a Heat Advisory is active until 8:00PM CDT tomorrow, indicating that heat will remain a significant concern for several more days. An Air Quality Alert was also issued on July 21 and remains in effect, adding another layer of concern for residents with respiratory sensitivities.

Forecast and Safety Guidance

Today will remain sunny with a high near 101F. The heat index is expected to reach as high as 112. Northeast winds will hover around 10 mph. Temperatures will drop tonight to a low near 76F, though they may rise to around 78F overnight. The heat index will remain elevated at 108, with east northeast winds around 10 mph. The sky will be clear.

Tomorrow brings a slight relief in air temperature, with a high near 96F. However, the heat index will still reach 103 under sunny skies. East winds will persist around 10 mph. Tomorrow night will be clear with a low around 77F and a heat index of 102. East southeast winds will be 5 to 10 mph.

Given the Extreme Heat Warning and high heat index values, it is critical to stay hydrated and limit outdoor exertion, especially during the afternoon and early evening hours. Check on elderly neighbors and those without air conditioning. Due to the active Air Quality Alert, individuals with lung conditions should monitor their symptoms and consider limiting prolonged outdoor activity.

Always follow local guidance and seek air-conditioned spaces if you feel unwell.

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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