Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

84°F

29°C

Humidity	63%
Wind Speed	S 6 mph
Barometer	29.92 in (1012.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	4 Sep 11:53 pm CDT

More Information:

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

Extended Forecast for

Collin County Regional Airport TX

Overnight
Low: 78 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 78 °F
Clear
Sunday
High: 101 °F
Hot
Sunday Night
Low: 78 °F
Mostly Clear
Labor Day
High: 100 °F
Hot
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 101 °F
Hot
Tuesday Night
Low: 78 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 78. South wind around 5 mph.

Saturday

Sunny and hot, with a high near 100. Heat index values as high as 107. Light south wind becoming southeast 5 to 10 mph in the afternoon.

Saturday Night

Clear, with a low around 78. South wind 5 to 10 mph.

Sunday

Sunny and hot, with a high near 101. Heat index values as high as 106. Light south southeast wind becoming east southeast 5 to 10 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 78. East southeast wind around 5 mph becoming calm in the evening.

Labor Day

Sunny and hot, with a high near 100. Light south wind becoming south southeast 5 to 10 mph in the afternoon.

Monday Night

Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

Tuesday

Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 78. South southeast wind 5 to 15 mph.

Wednesday

Sunny and hot, with a high near 99.