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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Corpus Christi, Corpus Christi International Airport (KCRP)

Lat: 27.77°NLon: 97.51°WElev: 43ft.

Mostly Cloudy

78°F

26°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 May 7:51 pm CDT
Extended Forecast for

Sinton TX

Flood Watch May 21, 08:52pm until May 25, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 21, 08:52pm until May 25, 07:00pm

    NOW until 7:00pm Mon

    Flood Watch

  • Tonight

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 85. Heat index values as high as 95. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am, then a slight chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 75. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Heat index values as high as 87. Southeast wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 72. Southeast wind 3 to 7 mph. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Light and variable wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Memorial Day

    Memorial Day: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. North northeast wind around 5 mph becoming light and variable.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 85. Heat index values as high as 95. Calm wind becoming southeast 5 to 9 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am, then a slight chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 75. Southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. Heat index values as high as 87. Southeast wind 6 to 9 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 72. Southeast wind 3 to 7 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Light and variable wind becoming east southeast around 6 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. North northeast wind around 5 mph becoming light and variable.
Monday Night
Partly cloudy, with a low around 73. East southeast wind around 6 mph becoming calm after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinton TX
 28.04°N 97.51°W
Last Update:
2:46 pm CDT May 21, 2026
Forecast Valid:
8pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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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