McKinney Weather: Sunny Skies and Active Air Quality Alert - Oct 21, 2 PM

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

McKinney residents face sunny conditions with highs near 80F. An active Air Quality Alert is in effect, prompting health precautions despite mild temperatures and low humidity.

*As of Oct 21, 2 PM local time.*

Current Conditions and Alert Status

An active Air Quality Alert is currently in effect for the McKinney area, issued by the National Weather Service. While the immediate weather conditions are mild and pleasant, this alert warrants attention for residents sensitive to air quality issues. As of this afternoon, the air temperature stands at 79F, with a feels-like temperature of 78F.

The atmosphere is dry, with relative humidity at 30% and a dew point of 45F. Winds are light, blowing from the southeast at 3 mph with gusts reaching 4 mph. The sky remains clear, offering unobstructed visibility and bright sunshine.

Today and Tonight Outlook

The rest of the day will remain sunny, with temperatures peaking near 80F. There is no chance of precipitation expected, making for a dry and comfortable evening. As night falls, the sky will stay mostly clear, and temperatures will drop to a low near 56F.

Winds will shift to the east, maintaining a gentle speed between 0 and 5 mph. This stable pattern ensures a quiet night with no significant weather disturbances anticipated.

Tomorrow’s Forecast

Tomorrow brings similar sunny conditions, with a high near 82F. The chance of precipitation remains negligible at 1%, indicating a dry day. Winds will continue to blow from the east at 0 to 5 mph.

As the day progresses into tomorrow night, the sky will remain mostly clear, and temperatures will settle around 57F. Winds may shift slightly to the east-southeast, maintaining their light pace. Given the active Air Quality Alert, it is advisable to stay hydrated and limit prolonged outdoor exertion during peak daylight hours, particularly if you have respiratory sensitivities.

Check on neighbors who may be more vulnerable to air quality changes, and keep windows closed if indoor air quality is a concern. Stay informed through official local channels for any updates to the alert status.

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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