Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

94°F

34°C

Humidity	43%
Wind Speed	Vrbl 5 mph
Barometer	29.90 in (1011.8 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	22 Aug 7:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles SW Collin County Regional Airport TX

Tonight
Low: 81 °F
Slight Chance
T-storms
Sunday
High: 106 °F
Hot
Sunday Night
Low: 85 °F
Mostly Clear
Monday
High: 107 °F
Hot
Monday Night
Low: 84 °F
Mostly Clear
Tuesday
High: 108 °F
Hot
Tuesday Night
Low: 81 °F
Slight Chance
T-storms
Wednesday
High: 104 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 78 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

Sunday

Mostly sunny and hot, with a high near 106. South wind 5 to 10 mph.

Sunday Night

Mostly clear, with a low around 85. South wind around 10 mph, with gusts as high as 20 mph.

Monday

Mostly sunny and hot, with a high near 107. Heat index values as high as 111. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 84. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

Sunny and hot, with a high near 108. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 81. South wind 5 to 10 mph.

Wednesday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny and hot, with a high near 104. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Northeast wind around 5 mph.

Thursday

Mostly sunny and hot, with a high near 102.

Thursday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.

Friday

Sunny and hot, with a high near 102.

Friday Night

Mostly clear, with a low around 79.

Saturday

Sunny and hot, with a high near 102.