Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

96°F

36°C

Humidity	43%
Wind Speed	SE 10 mph
Barometer	29.92 in (1012.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	4 Jul 5:53 pm CDT

More Information:

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

Extended Forecast for

Celina TX

Tonight
Low: 79 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 99 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 77 °F
Chance
Showers then
Slight Chance
T-storms
Monday
High: 96 °F
Mostly Sunny
Monday Night
Low: 75 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 99 °F
Hot
Wednesday Night
Low: 82 °F
Mostly Clear

Detailed Forecast

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. South southeast wind 5 to 10 mph.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. South wind around 5 mph becoming west in the morning.

Sunday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. East southeast wind around 5 mph.

Monday

Mostly sunny, with a high near 96. Heat index values as high as 102. East wind around 5 mph becoming north in the afternoon.

Monday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. East northeast wind around 5 mph becoming south southeast after midnight. Chance of precipitation is 20%.

Tuesday

Sunny, with a high near 96. East northeast wind around 5 mph.

Tuesday Night

Mostly clear, with a low around 77. East wind around 5 mph becoming south after midnight.

Wednesday

Sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.

Wednesday Night

Mostly clear, with a low around 82. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Thursday

Sunny and hot, with a high near 101.

Thursday Night

Clear, with a low around 82.