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

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Current conditions at

Port Aransas, Mustang Beach Airport (KRAS)

Lat: 27.81°NLon: 97.09°WElev: 7ft.

Fair

84°F

29°C

Humidity 82%
Wind Speed SE 13 G 18 mph
Barometer 29.95 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 30 Jul 8:15 pm CDT
Extended Forecast for

Port Aransas TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 82. South southeast wind around 15 mph, with gusts as high as 21 mph.

    Low: 82 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Heat index values as high as 105. South wind 11 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. South wind 13 to 15 mph, with gusts as high as 20 mph.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Heat index values as high as 105. South wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 82. South southeast wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 82 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph becoming southeast in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80. South southeast wind around 14 mph, with gusts as high as 18 mph.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. South southeast wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. South southeast wind around 15 mph, with gusts as high as 21 mph.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 82. South southeast wind around 15 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 88. Heat index values as high as 105. South wind 11 to 14 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 82. South wind 13 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 88. Heat index values as high as 105. South wind 10 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 82. South southeast wind 13 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 80. South southeast wind around 14 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 88. South southeast wind 9 to 14 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 80. South southeast wind around 15 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 81.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 81.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Aransas TX
 27.82°N 97.06°W
Last Update:
1:46 pm CDT Jul 30, 2026
Forecast Valid:
8pm CDT Jul 30, 2026-6pm CDT Aug 6, 2026
 
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