Dangerous Heat and Humidity Over The East

A very hot and humid airmass will persist over much of the east over the next couple of days. Afternoon high temperatures are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. The dangerous heat wave will impact major I-95 cities from North Carolina to New York. Read More >

Hazardous Weather Conditions

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Mostly Cloudy

90°F

32°C

Humidity 59%
Wind Speed E 5 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 13.00 mi
Heat Index99°F (37°C)
Last update 25 Jul 11:47 am CDT
Extended Forecast for

Lewisville TX

  • This
    Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 96. Heat index values as high as 100. East wind 5 to 10 mph.

    Chance
    T-storms

    High: 96 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 78 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 95. Heat index values as high as 100. East wind 5 to 10 mph.

    Chance
    T-storms

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming south after midnight.

    Partly Cloudy

    Low: 77 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the afternoon.

    Slight Chance
    T-storms

    High: 96 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 77 °F

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 94. South southwest wind around 5 mph.

    Chance
    T-storms

    High: 94 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. South wind around 5 mph.

    Chance
    T-storms

    Low: 77 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 95. Southwest wind around 5 mph.

    Chance
    T-storms

    High: 95 °F

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 96. Heat index values as high as 100. East wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 100. East wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 77. East southeast wind around 5 mph becoming south after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. Light south wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. South southwest wind around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Click Map For Forecast
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
10:38 am CDT Jul 25, 2016
12pm CDT Jul 25, 2016-6pm CDT Jul 31, 2016
 
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