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5-day forecast / Frisco, TX

SundaySunny102° / 80° 1%
MondaySunny103° / 81°
TuesdaySunny103° / 81°
WednesdaySunny103° / 81°
ThursdaySunny103° / 81° 3%

Frisco Heat Advisory: Dangerous Heat Index Values Expected - Aug 15, 5 PM

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

A Heat Advisory is active for Frisco as air temperatures hit 99F and heat index values reach 106F. Sunny skies and low humidity will keep conditions dry but intensely hot through tomorrow.

Camille Rourke

August 15, 20262 min read

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

*As of Aug 15, 5 PM local time.*

Dangerous Heat Conditions

A Heat Advisory is currently active for the Frisco area, signaling dangerous heat conditions that require caution. It is currently Saturday evening, and the air temperature stands at 99F, with a feels-like temperature of 102F. The relative humidity is 33%, and the dew point is 64F.

Winds are blowing from the south southwest at 16 mph, with gusts reaching 14 mph. The sky is mostly clear, offering little relief from the intense solar radiation that has driven today’s high near 101F. The chance of precipitation is negligible at 1%, meaning the dry heat will persist.

Forecast Outlook

Tonight, conditions will remain clear with a low near 81F. However, temperatures are expected to rise to around 83F overnight, and heat index values could reach 103F. South winds will blow at 10 to 15 mph.

Tomorrow will bring another sunny day with a high near 102F. The heat index values are expected to peak at 102F, with southwest winds ranging from 5 to 10 mph. The chance of rain remains at 1%, ensuring dry conditions continue.

Tomorrow night will be clear with a low near 80F, though temperatures may rise to 82F, and heat index values could hit 100F.

Safety Reminders

Given the active Heat Advisory, residents should take precautions to avoid heat-related illness. It is crucial to stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the day, and seek air-conditioned environments when possible.

Check on elderly neighbors or those without access to cooling, as they are at higher risk. Avoid leaving pets or children in parked vehicles, as temperatures can rise rapidly in enclosed spaces. Stay informed of the latest weather updates and follow local guidance to ensure 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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Camille Rourke

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

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