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

91°F

33°C

Humidity 56%
Wind Speed S 17 G 28 mph
Barometer 29.73 in (1005.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jun 4:53 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Mostly Clear
    then Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 92. Heat index values as high as 98. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 80. South wind around 10 mph.

    Low: 80 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 92. Heat index values as high as 98. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms between 10pm and 1am. Partly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 94. Heat index values as high as 102. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 80. South wind around 10 mph.
Wednesday
Mostly sunny, with a high near 98. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 97.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
Last Update:
5:31 pm CDT Jun 21, 2026
Forecast Valid:
5pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation