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5-day forecast / McKinney, TX

TuesdaySunny94° / 73° 2%
WednesdayMostly Sunny96° / 72° 3%
ThursdayMostly Sunny94° / 68° 1%
FridayMostly Sunny92° / 70°
SaturdayPartly Sunny96° / 73° 3%

McKinney Weather: Heat and Air Quality Alert - Sep 22, 2 PM

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

McKinney residents face dangerous heat with feels-like temperatures reaching 101F and an active Air Quality Alert. Today is sunny with a high near 94F, while tomorrow brings a high near 96F.

Cody Esparza

September 22, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 22, 2 PM local time.*

Current Conditions and Alert Status

McKinney is currently experiencing dangerous heat conditions alongside an active Air Quality Alert. The air temperature stands at 95F, but the heat index makes it feel like 101F. Relative humidity is at 44%, with a dew point of 70F.

Winds are blowing from the north northeast at 8 mph, with gusts reaching 9 mph. The sky is mostly clear. An Air Quality Alert has been issued by the National Weather Service for the Fort Worth area.

While the specific severity and urgency details are not fully specified in the current data, residents should remain aware of potential respiratory irritants in the air. It is advisable to limit outdoor exertion, especially during the hottest parts of the day, and to stay hydrated.

Today and Tonight Outlook

Today will remain sunny with a high near 94F. The heat index values are expected to reach as high as 99F. North northeast winds will blow around 10 mph.

The chance of precipitation is minimal at 2%. Tonight, the sky will be mostly clear, with temperatures dropping to a low around 73F. Heat index values may still reach 97F.

Northeast winds will shift to 5 to 10 mph. The low humidity and clear skies will allow temperatures to remain warm well into the evening.

Tomorrow's Forecast

Tomorrow will be mostly sunny with a high near 96F. Temperatures are expected to fall to around 94F in the afternoon. The heat index values could reach as high as 103F, indicating continued dangerous heat levels.

East northeast winds will blow at 5 to 10 mph. The chance of precipitation is low at 3%. Tomorrow night will be mostly cloudy, with a low around 72F.

Temperatures may rise to around 74F overnight. East winds will continue at 5 to 10 mph. Heat index values are expected to reach 97F.

Residents should continue to take precautions against the heat, including staying indoors during peak afternoon hours and drinking plenty of water.

National Weather Service radar for North Texas (KFWS)

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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Cody Esparza

Cody Esparza covers McKinney city hall, the council, and county government.

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