Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

77°F

25°C

Humidity	85%
Wind Speed	S 5 mph
Barometer	30.01 in (1015.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	15 Jul 4:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mc Kinney TX

Today
High: 94 °F
Slight Chance
T-storms
Tonight
Low: 75 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 95 °F
Mostly Sunny
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 97 °F
Sunny
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 97 °F
Sunny
Friday Night
Low: 76 °F
Partly Cloudy
Saturday
High: 97 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South wind 5 to 10 mph.

Wednesday

Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 97. South wind 5 to 10 mph.

Thursday Night

Mostly clear, with a low around 75. South wind 5 to 10 mph becoming light after midnight.

Friday

Sunny, with a high near 97. Calm wind becoming south around 5 mph in the morning.