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

Severe Storms in the South/Central U.S.; Summer Heat in the West

Active frontal boundaries will bring a potential for severe storms from the South Plains into the Midwest and Ohio Valley today. The greatest potential for storms will be across portions of northern Texas and into central Oklahoma where significant winds may develop. Otherwise, strong winds, large hail, and isolated tornadoes will be possible. Out West, above normal temperatures continue. Read More >

Hazardous Weather Conditions

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

A Few Clouds

91°F

33°C

Humidity 44%
Wind Speed S 20 G 32 mph
Barometer 29.77 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Jun 6:47 pm CDT
Extended Forecast for

Lewisville TX

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 74. South wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 74 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. Cloudy, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Severe
    Thunderstorms

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 72. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Severe
    Thunderstorms

    Low: 72 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind around 10 mph.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind around 10 mph.

    Chance
    T-storms

    Low: 72 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South wind 10 to 15 mph.

    Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 10 mph.

    Chance
    T-storms

    Low: 75 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 95 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 5 to 10 mph becoming west northwest after midnight.

    Chance
    T-storms

    Low: 73 °F

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms after 10pm. Increasing clouds, with a low around 74. South wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. Cloudy, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Some of the storms could be severe. Mostly cloudy, with a low around 72. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southwest wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind around 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South wind 10 to 15 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 5 to 10 mph becoming west northwest after midnight.
Thursday
Mostly sunny, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lewisville TX
 33.05°N 97°W (Elev. 531 ft)
Last Update:
3:33 pm CDT Jun 15, 2019
Forecast Valid:
7pm CDT Jun 15, 2019-6pm CDT Jun 22, 2019
 
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