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5-day forecast / Frisco, TX

TuesdaySunny104° / 84° 1%
WednesdaySunny103° / 81°
ThursdaySunny100° / 81°
FridaySunny102° / 83° 1%
SaturdayMostly Sunny101° / 83° 6%

Extreme Heat Warning in Effect for Frisco as Temperatures Soar Near 104F - Jul 21, 4 AM

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

An Extreme Heat Warning is active for Frisco, TX, with current feels-like temperatures at 89F. Today will see a high near 104F with sunny skies.

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 AM local time.*

Current Conditions and Alert Status

An Extreme Heat Warning is currently in effect for Frisco, Texas. This severe alert indicates dangerous heat conditions that require immediate caution. As of this Tuesday overnight, the air temperature stands at 86F, with a feels-like temperature of 89F.

The relative humidity is at 55%, and the dew point is 68F. Winds are light, blowing from the south southwest at around 5 mph, with gusts reaching up to 14 mph. The sky remains clear.

The National Weather Service has issued this warning to highlight the significant risk posed by the extreme heat. Residents are urged to take this alert seriously as temperatures remain dangerously high. The warning is active until the evening hours, covering the peak heat of the day.

Forecast for Today and Tomorrow

Today, Frisco will experience sunny skies with a high near 104F. The heat index values are expected to reach as high as 113F, making it feel significantly hotter than the actual air temperature. Winds will be light, coming from the west southwest at 0 to 5 mph. The chance of precipitation is minimal at just 1%.

Tonight, conditions will remain clear. Temperatures will drop to a low around 81F, though they may rise slightly to around 83F overnight. The heat index will still feel as high as 110F. Winds will shift to the southeast, remaining light at 0 to 5 mph.

Tomorrow, the sun will continue to shine with a high near 103F. Heat index values will climb to 112F. Winds will pick up slightly, coming from the northeast at 5 to 10 mph. There is no chance of precipitation. Tomorrow night will be mostly clear with a low around 81F, rising to 83F overnight, and winds from the east around 10 mph.

Safety Reminders

Given the Extreme Heat Warning and the very hot conditions, it is critical to stay safe. Hydrate frequently and limit midday exertion to avoid heat-related illnesses. Check on neighbors, especially the elderly and those without air conditioning. Never leave people or pets in parked vehicles. Seek air-conditioned spaces during the hottest parts of the day to stay cool and safe.

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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