National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

Mostly Cloudy

76°F

24°C

Humidity 88%
Wind Speed S 8 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Jul 11:53 pm CDT
Extended Forecast for

Lewisville TX

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 101. South southwest wind around 5 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. South wind around 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 93. Heat index values as high as 101. South southwest wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 77. South wind around 10 mph.
Wednesday
Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 98. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 97.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
Last Update:
12:24 am CDT Jul 14, 2025
Forecast Valid:
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation