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

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

A Few Clouds

82°F

28°C

Humidity	56%
Wind Speed	NW 5 mph
Barometer	29.96 in (1013.6 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	23 Aug 2:53 am CDT

More Information:

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

Extended Forecast for

2 Miles SE Allen TX

Extreme Heat Warning August 23, 12:00pm until August 23, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Overnight
Low: 82 °F
Slight Chance
T-storms
Sunday
High: 106 °F
Hot
Sunday Night
Low: 83 °F
Mostly Clear
Monday
High: 107 °F
Hot
Monday Night
Low: 83 °F
Mostly Clear
Tuesday
High: 106 °F
Hot
Tuesday Night
Low: 82 °F
Mostly Clear
Wednesday
High: 100 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 79 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 82. East southeast wind around 5 mph.

Sunday

Mostly sunny and hot, with a high near 106. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.

Sunday Night

Mostly clear, with a low around 83. South wind 5 to 10 mph.

Monday

Mostly sunny and hot, with a high near 107. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 83. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

Sunny and hot, with a high near 106. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 82. South wind around 10 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. South southwest wind around 10 mph becoming west in the afternoon.

Wednesday Night

Partly cloudy, with a low around 79. North northeast wind around 5 mph becoming east after midnight.

Thursday

Sunny and hot, with a high near 101.

Thursday Night

Partly cloudy, with a low around 78.

Friday

Sunny and hot, with a high near 101.

Friday Night

Mostly clear, with a low around 79.

Saturday

Sunny and hot, with a high near 101.