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5-day forecast / Frisco, TX

WednesdaySunny102° / 80° 2%
ThursdaySunny99° / 80°
FridaySunny101° / 83°
SaturdayMostly Sunny102° / 83° 6%
SundaySunny102° / 82° 1%

Frisco Faces Extreme Heat Warning and Air Quality Alert - Jul 21, 4 PM

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

An Extreme Heat Warning and Air Quality Alert are in effect for Frisco, TX. Current temperatures reach 104F with a heat index of 106F. Conditions remain sunny with dangerous heat persisting through tomorrow.

Camille Rourke

July 21, 20262 min read

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

*As of Jul 21, 4 PM local time.*

Dangerous Heat and Air Quality Concerns

Frisco, TX is currently under the influence of severe weather alerts as it is Tuesday this afternoon. The National Weather Service has issued an Extreme Heat Warning with severe severity, which remains in effect until July 22 at 8:00PM CDT. Additionally, an Air Quality Alert with unknown severity and urgency is active, having been issued on July 21 at 2:42PM CDT.

Current conditions reflect the intensity of this heat event. The air temperature stands at 104F, while the heat index makes it feel like 106F. Relative humidity is at 25% with a dew point of 61F. Winds are light, blowing from the north northwest at 6 mph with gusts up to 8 mph. The sky remains clear overhead.

Forecast for Today and Tomorrow

Today, the high will reach near 104F. The National Weather Service notes heat index values as high as 113. North northwest winds will be around 5 mph.

There is a 0% chance of precipitation, and skies will stay sunny. Tonight, conditions will clear with a low near 83F. Temperatures may rise to around 85F overnight.

Heat index values could reach 111, with southeast winds between 0 and 5 mph.

Tomorrow, the high is forecast to be near 102F. Heat index values are expected to climb as high as 113. Northeast winds will increase to 5 to 10 mph.

The chance of precipitation is minimal at 2%, with sunny skies expected. Tomorrow night will be clear with a low around 80F. Temperatures may rise to around 82F overnight.

Heat index values could reach 109, with east northeast winds around 10 mph.

Safety Reminders

Given the severe heat warning, residents should prioritize safety. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning. Be aware of the air quality alert and consider reducing outdoor activities if you are sensitive to air pollution.

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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