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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Dallas / Addison Airport (KADS)

Lat: 32.97°NLon: 96.83°WElev: 643ft.

Clear

86°F

30°C

Humidity 25%
Wind Speed NE 8 mph
Barometer 30.00 in
Dewpoint 46°F (8°C)
Visibility 13.00 mi
Heat Index83°F (28°C)
Last update 7 Oct 1:47 pm CDT
Extended Forecast for

Lewisville TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. North northeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. East southeast wind around 5 mph becoming calm.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming north northeast around 5 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 66. East wind around 5 mph becoming calm.

    Low: 66 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North northeast wind around 5 mph.
Tonight
Clear, with a low around 64. East southeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 89. Calm wind becoming north northeast around 5 mph.
Thursday Night
Clear, with a low around 66. East wind around 5 mph becoming calm.
Friday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 67. East southeast wind around 5 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 72.
Columbus Day
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewisville TX
 33.03°N 96.97°W (Elev. 476 ft)
Last Update:
1:45 pm CDT Oct 7, 2026
Forecast Valid:
2pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation