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5-day forecast / McKinney, TX

MondayMostly Sunny80° / 60°
TuesdayMostly Sunny81° / 61° 8%
WednesdayMostly Sunny83° / 63° 7%
ThursdayPartly Sunny82° / 62° 4%
FridayChance Rain Showers74° / 59° 50%

McKinney Heat and Air Quality Alert: Highs Near 102F - Aug 30, 2 PM

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

McKinney residents face dangerous heat with a current feels-like temperature of 102F and an active Air Quality Alert. Sunny skies continue through tomorrow with no rain expected.

Cody Esparza· AI-assisted, edited by Jake Team

August 30, 20261 min read

National Weather Service radar for North Texas (KFWS)

*As of Aug 30, 2 PM local time.*

Dangerous Heat and Air Quality Concerns

An active Air Quality Alert is currently in effect for the McKinney area, issued by the National Weather Service. While the severity and urgency details are not specified, residents should remain aware of potential respiratory impacts. Simultaneously, dangerous heat conditions are dominating the afternoon.

The current air temperature stands at 99F, but the heat index makes it feel like 102F. Relative humidity is 33%, and the dew point is 64F. Winds are blowing from the south at 8 mph, with gusts reaching 14 mph.

The sky is mostly clear, offering no relief from the intense solar radiation.

Today and Tonight Outlook

The day will remain sunny with a high near 102F. Heat index values may reach as high as 105F, posing significant risks for outdoor activity. South winds will average around 10 mph, with gusts potentially hitting 20 mph.

There is a 0% chance of precipitation. As night falls, conditions will stay mostly clear. Temperatures will drop to a low near 79F, though they may rise to around 81F overnight.

The heat index could still reach 103F, keeping the air muggy. South winds will ease to 5-10 mph.

Tomorrow and Safety Reminders

Tomorrow will mirror today’s conditions, featuring sunny skies and a high near 101F. Heat index values may climb to 104F. South winds will remain light at 5-10 mph, and the chance of rain is 0%.

Given the persistent extreme heat and air quality concerns, it is crucial to stay hydrated and limit midday exertion. Check on vulnerable neighbors and avoid prolonged outdoor exposure during peak heat hours. Monitor local updates for any changes in air quality status.

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· AI-assisted, edited by Jake Team

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

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