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

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Dallas/Fort Worth International Airport (KDFW)

Lat: 32.9°NLon: 97.02°WElev: 541ft.

Mostly Cloudy

78°F

26°C

Humidity 79%
Wind Speed S 16 mph
Barometer 30.00 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Jun 5:53 am CDT
Extended Forecast for

3 Miles NW Lewisville TX

  • Today

    Today: Sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 79. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Heat index values as high as 101. South wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 81. Southeast wind around 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 98. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 82. South southeast wind around 10 mph.

    Low: 82 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 100. South wind 5 to 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 97. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 79. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 97. Heat index values as high as 101. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 97. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 81. Southeast wind around 10 mph.
Friday
Sunny, with a high near 98. South wind around 5 mph.
Friday Night
Mostly clear, with a low around 82. South southeast wind around 10 mph.
Independence Day
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 82.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Lewisville TX
 33.07°N 97°W (Elev. 518 ft)
Last Update:
6:06 am CDT Jun 30, 2026
Forecast Valid:
6am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
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