McKinney Heat Index Hits 105 Today as Temperatures Climb Near 101F - Aug 12, 11 AM

*As of Aug 12, 11 AM local time.*

Intense Heat and Humidity in McKinney

McKinney is currently experiencing very hot conditions this morning. The air temperature stands at 90F, but the heat index makes it feel like 98F. Relative humidity is at 59%, with a dew point of 73F, indicating quite humid air that will contribute to the oppressive feel of the heat.

Today, the sun will be out with no chance of precipitation. Highs will reach near 101F, with heat index values climbing as high as 105F. Winds will be from the south at 10 to 15 mph, with gusts reaching up to 25 mph.

Overnight, skies will remain clear. Lows will drop to around 78F, though temperatures may rise to about 80F during the night. The heat index will stay elevated at up to 102F.

South winds will continue at 10 to 15 mph, with gusts up to 25 mph.

Outlook for Tomorrow

Tomorrow will mirror today’s intensity. Expect sunny skies with a high near 101F. Heat index values are forecast to reach 102F.

South winds will hover around 15 mph, with gusts as high as 25 mph. Overnight, conditions will clear again, with lows near 78F and temperatures rising to around 80F. The heat index will remain at 102F, with south winds at 10 to 15 mph and gusts up to 25 mph.

There are no active National Weather Service or NOAA weather alerts for McKinney at this time. However, the persistent heat and humidity warrant caution. Residents should stay hydrated and limit midday exertion to avoid heat-related illness.

Check on neighbors, especially the elderly or those without air conditioning, to ensure their safety during these extreme temperatures. Dressing in light, loose-fitting clothing and seeking air-conditioned environments during peak heat hours is strongly advised.

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Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com