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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. 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 75%
Wind Speed SE 6 mph
Barometer 29.91 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 22 Sep 4:55 am CDT
Extended Forecast for

Aransas Pass TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Sunny, with a high near 91. Heat index values as high as 106. Light and variable wind becoming east 6 to 11 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 83. East southeast wind 8 to 13 mph becoming light.

    Low: 83 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Heat index values as high as 108. North northeast wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 83. East wind 7 to 14 mph, with gusts as high as 18 mph.

    Low: 83 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 91. East wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 83. East wind 7 to 14 mph, with gusts as high as 18 mph.

    Low: 83 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. East wind 7 to 13 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. East southeast wind 5 to 13 mph.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. East southeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Sunny, with a high near 91. Heat index values as high as 106. Light and variable wind becoming east 6 to 11 mph in the morning.
Tonight
Mostly clear, with a low around 83. East southeast wind 8 to 13 mph becoming light.
Wednesday
Sunny, with a high near 91. Heat index values as high as 108. North northeast wind 7 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 83. East wind 7 to 14 mph, with gusts as high as 18 mph.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 91. East wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 83. East wind 7 to 14 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 91. East wind 7 to 13 mph.
Friday Night
Partly cloudy, with a low around 82. East southeast wind 5 to 13 mph.
Saturday
Mostly sunny, with a high near 90. East southeast 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 90.
Sunday Night
Partly cloudy, with a low around 82.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Aransas Pass TX
 27.89°N 97.14°W
Last Update:
1:46 am CDT Sep 22, 2026
Forecast Valid:
5am CDT Sep 22, 2026-6pm CDT Sep 28, 2026
 
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Additional Resources

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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