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5-day forecast / Frisco, TX

TuesdaySunny104° / 83° 1%
WednesdaySunny103° / 82° 1%
ThursdaySunny100° / 81° 1%
FridaySunny101° / 83°
SaturdayMostly Sunny101° / 83° 7%

Frisco Heat Advisory in Effect as Temperatures Soar Near 100F - Jul 20, 8 AM

Frisco weather, refreshed every four hours — local forecasts you can plan your day around.

A Heat Advisory is active for Frisco, TX, with current feels-like temperatures at 91F. Highs near 100F today and 103F tomorrow bring oppressive humidity and heat index values up to 108F.

Camille Rourke

July 20, 20262 min read

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

*As of Jul 20, 8 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Frisco, Texas, signaling dangerous heat levels for the region. The National Weather Service has issued this moderate-severity alert due to expected high temperatures and humidity. As of this morning, the air temperature stands at 82F, but the combination of heat and moisture makes it feel like 91F.

The relative humidity is at 84%, with a dew point of 77F, creating an oppressively humid environment. Winds are light at 3 mph, though gusts may reach 14 mph, under a clear sky.

Forecast for Today and Tomorrow

Today will be sunny with a high near 100F. The heat index is expected to reach as high as 106F. Southwest winds will remain light, around 5 mph.

The chance of precipitation is minimal at 1%. Tonight, skies will remain clear with a low around 80F. Temperatures may rise slightly to around 82F overnight.

The heat index could still reach 105F, with south southwest winds around 5 mph.

Tomorrow brings even hotter conditions. Expect sunny skies and a high near 103F. The heat index will climb to as high as 108F.

West southwest winds will persist at around 5 mph. There is no chance of precipitation, at 0%. Tomorrow night will be clear with a low around 83F.

Temperatures may rise to around 85F overnight, with the heat index reaching 106F. South southwest winds will continue at around 5 mph.

Safety Reminders

Given the active Heat Advisory and the oppressive humidity, it is crucial to take precautions. Stay hydrated by drinking plenty of water, even if you do not feel thirsty. Limit outdoor exertion, especially during the midday hours when the sun is strongest.

If you must be outside, seek shade and wear lightweight, light-colored clothing. Check on elderly neighbors or those without air conditioning to ensure their safety. Be aware of the signs of heat-related illnesses, such as dizziness, nausea, or confusion, and seek medical attention if symptoms persist.

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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Camille Rourke

Camille Rourke covers community life, events, and neighborhood features around Frisco.

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