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

Heat Advisory until August 22, 08:00 PM CDT

Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

Overcast

101°F

38°C

Humidity	31%
Wind Speed	Calm
Barometer	30.04 in (1016.0 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	22 Aug 11:53 am CDT

More Information:

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

Extended Forecast for

Lewisville TX

Heat Advisory August 22, 12:20pm until August 22, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 22, 12:20pm until August 22, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 104 °F
Hot
Tonight
Low: 84 °F
Slight Chance
T-storms
Sunday
High: 108 °F
Hot
Sunday Night
Low: 86 °F
Partly Cloudy
Monday
High: 109 °F
Hot
Monday Night
Low: 85 °F
Mostly Clear
Tuesday
High: 109 °F
Hot
Tuesday Night
Low: 84 °F
Mostly Clear

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 104. South southeast wind around 5 mph.

Tonight

A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Partly cloudy, with a low around 84. South wind around 5 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny and hot, with a high near 108. Southwest wind around 5 mph.

Sunday Night

Partly cloudy, with a low around 86. South wind 5 to 10 mph, with gusts as high as 20 mph.

Monday

Sunny and hot, with a high near 109. Southwest wind around 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 85. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday

Sunny and hot, with a high near 109. Southwest wind around 10 mph.

Tuesday Night

Mostly clear, with a low around 84. South wind 5 to 10 mph.