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.

Partly Cloudy

80°F

27°C

Humidity 74%
Wind Speed S 10 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 2:53 am CDT
Extended Forecast for

Lewisville TX

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

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

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 95. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 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 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. South southwest wind around 5 mph.

    High: 98 °F

    Sunny

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 79. South wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 95. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Friday
Sunny, with a high near 98. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Mostly sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny and hot, with a high near 100.
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 15, 2025
Forecast Valid:
3am CDT Jul 15, 2025-6pm CDT Jul 21, 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