Monsoon Flood Threat in the Southwest; Hot in the South and Northwest

Monsoonal heavy rain will continue flash flood potential across the Southwest and Intermountain West to the central and southern Rockies through this weekend, especially in complex terrain, burn scars, and urban areas. Excessive heat and humidity with heat indices over 110 degrees will be common over much of the Deep South and interior Northwest this weekend. Read More >

Hazardous Weather Conditions

Heat Advisory until July 31, 07:00 PM CDT

En Español

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Fair

83°F

28°C

Humidity	71%
Wind Speed	S 5 mph
Barometer	30.05 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	31 Jul 3:15 am CDT

More Information:

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

Extended Forecast for

Lewisville TX

Heat Advisory until July 31, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 31, 07:00pm

NOW until
7:00pm Sat

Heat Advisory
Overnight

Mostly Clear
Low: 84 °F
Saturday

Hot
High: 100 °F
Saturday
Night

Mostly Clear
Low: 80 °F
Sunday

Sunny then
Chance
T-storms
High: 100 °F
Sunday
Night

Showers
Likely
Low: 76 °F
Monday

Chance
T-storms
High: 93 °F
Monday
Night

Mostly Clear
Low: 72 °F
Tuesday

Mostly Sunny
High: 94 °F

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 84. South wind around 5 mph.

Saturday

Sunny and hot, with a high near 100. Heat index values as high as 108. South wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 80. South wind 5 to 10 mph.

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. South wind around 5 mph becoming east in the afternoon.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. North northeast wind around 10 mph. Chance of precipitation is 60%.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. North northeast wind 10 to 15 mph.

Monday Night

Mostly clear, with a low around 72. Northeast wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 94. East northeast wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph.

Wednesday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 20%.