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

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Rockport Aransas County Airport (KRKP)

Lat: 28.08°NLon: 97.05°WElev: 21ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed S 7 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 21 May 6:53 pm CDT
Extended Forecast for

Rockport TX

Flood Watch May 21, 07:19pm until May 25, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 21, 07:19pm until May 25, 07:00pm

    NOW until 7:00pm Mon

    Flood Watch

  • Tonight

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 85. Heat index values as high as 94. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 77. South southeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 83. Heat index values as high as 89. South southeast wind 7 to 11 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 75. Southeast wind 5 to 8 mph. Chance of precipitation is 90%.

    Low: 75 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 5 to 9 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East wind 3 to 7 mph.

    Low: 75 °F

    Chance
    T-storms

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 8 mph in the morning.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 75. South wind 5 to 7 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny, with a high near 85. Heat index values as high as 94. Light south southwest wind becoming south southeast 5 to 10 mph in the morning.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 77. South southeast wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm. High near 83. Heat index values as high as 89. South southeast wind 7 to 11 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 75. Southeast wind 5 to 8 mph. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 5 to 9 mph becoming east southeast in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. East wind 3 to 7 mph.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light and variable wind becoming east 5 to 8 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. East southeast wind 5 to 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockport TX
 28.03°N 97.07°W
Last Update:
2:46 pm CDT May 21, 2026
Forecast Valid:
7pm CDT May 21, 2026-6pm CDT May 28, 2026
 
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