Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture. Read More >

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Partly Cloudy

36°C

97°F

Humidity 30%
Wind Speed SW 15 km/h
Barometer 29.93 in
Dewpoint 16°C (61°F)
Visibility 16 km
Heat Index36°C (97°F)
Last update 21 Jul 3:47 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: Clear, with a low around 25. South southeast wind 10 to 15 km/h.

    Clear

    Low: 25 °C

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Increasing clouds, with a high near 34. Heat index values as high as 37. South southwest wind 10 to 15 km/h becoming north 15 to 20 km/h in the afternoon.

    Sunny then
    Chance
    T-storms

    High: 34 °C

  • Monday
    Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 24. North northeast wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Chance
    T-storms

    Low: 24 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. North northeast wind 20 to 25 km/h, with gusts as high as 35 km/h.

    Mostly Sunny

    High: 32 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 20. Northeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight.

    Mostly Clear

    Low: 20 °C

  • Wednesday

    Wednesday: Sunny, with a high near 32. East northeast wind 10 to 15 km/h.

    Sunny

    High: 32 °C

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 19. East southeast wind 10 to 15 km/h.

    Clear

    Low: 19 °C

  • Thursday

    Thursday: Sunny, with a high near 32. East southeast wind 10 to 15 km/h.

    Sunny

    High: 32 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 21. East southeast wind 10 to 15 km/h.

    Mostly Clear

    Low: 21 °C

Detailed Forecast

Tonight
Clear, with a low around 25. South southeast wind 10 to 15 km/h.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 34. Heat index values as high as 37. South southwest wind 10 to 15 km/h becoming north 15 to 20 km/h in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 24. North northeast wind 15 to 25 km/h, with gusts as high as 35 km/h.
Tuesday
Mostly sunny, with a high near 32. North northeast wind 20 to 25 km/h, with gusts as high as 35 km/h.
Tuesday Night
Mostly clear, with a low around 20. Northeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight.
Wednesday
Sunny, with a high near 32. East northeast wind 10 to 15 km/h.
Wednesday Night
Clear, with a low around 19. East southeast wind 10 to 15 km/h.
Thursday
Sunny, with a high near 32. East southeast wind 10 to 15 km/h.
Thursday Night
Mostly clear, with a low around 21. East southeast wind 10 to 15 km/h.
Friday
Sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 23.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 35.
Click Map For Forecast
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 162 m)
3:05 pm CDT Jul 21, 2019
4pm CDT Jul 21, 2019-6pm CDT Jul 28, 2019
 
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Additional Resources

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