McKinney weather, updated every four hours — local forecasts you can trust.
McKinney is experiencing dangerous heat with a feels-like temperature of 101F. Today remains sunny and dry, but tomorrow brings a chance of rain showers and thunderstorms.
National Weather Service radar for North Texas (KFWS)
*As of Sep 2, 4 PM local time.*
Dangerous Heat Conditions
McKinney residents are facing dangerous heat conditions this afternoon. The air temperature currently stands at 97F, but the heat index makes it feel like 101F. Relative humidity is at 37%, and the dew point is 66F.
Winds are blowing from the east at 13 mph, with gusts reaching 12 mph. The sky is mostly clear, providing little relief from the intense warmth. This level of heat requires caution, particularly for those spending time outdoors.
Today and Tonight Outlook
The forecast for the remainder of the day indicates sunny skies with a high near 97F. Temperatures are expected to fall to around 95F in the afternoon, with heat index values reaching as high as 104F. The chance of precipitation is minimal at 1%.
Tonight, conditions will shift to partly cloudy skies with a low around 77F. Heat index values may reach 101F. Winds will be from the east southeast at 5 to 15 mph, with gusts potentially reaching 25 mph.
There are no active National Weather Service alerts in effect for the area.
Tomorrow's Forecast
Tomorrow will bring a change in weather patterns. A chance of rain showers is expected between 10am and 1pm, followed by a slight chance of showers and thunderstorms. The sky will be partly sunny, with a high near 93F.
Heat index values could reach 100F. Winds will be from the southeast at 10 to 15 mph, with gusts up to 25 mph. The chance of precipitation is 27%, with new rainfall amounts less than a tenth of an inch possible.
As the day progresses, a slight chance of showers and thunderstorms remains. The low will be around 76F, with temperatures rising to around 78F overnight. Heat index values may reach 98F.
Winds will be from the south southeast at 5 to 15 mph, with gusts up to 25 mph. The chance of precipitation is 20%, with new rainfall amounts between a quarter and half of an inch possible. Residents should stay hydrated and limit midday exertion due to the persistent heat.
National Weather Service radar for North Texas (KFWS)
McKinney is enjoying a clear afternoon with temperatures near 79 degrees. Today's high will reach 81 degrees, similar to yesterday. Expect mostly cloudy skies with little to no rain, followed by a mostly sunny tomorrow.
McKinney is enjoying clear skies and 81-degree warmth this afternoon. Today's high will reach 84 degrees, similar to yesterday. Expect little to no rain through the evening, with a mostly sunny outlook for tomorrow.
McKinney residents face dry, sunny conditions with an active Air Quality Alert. Current temperatures are 81F with low humidity. Expect highs near 84F today and tomorrow with no rain expected.
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