Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Corpus Christi, Corpus Christi Naval Air Station/Truax Field (KNGP)

Lat: 27.69°NLon: 97.29°WElev: 20ft.

Light Rain Fog/Mist

80°F

27°C

Humidity 94%
Wind Speed SE 12 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 78°F (26°C)
Visibility 6.00 mi
Heat Index86°F (30°C)
Last update 20 May 1:56 am CDT
Extended Forecast for

3 Miles SSE Corpus Christi TX

Coastal Flood Advisory May 20, 07:00am until May 20, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 3am.  Mostly cloudy, with a low around 76. East wind around 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 9am.  Partly sunny, with a high near 81. Heat index values as high as 87. East southeast wind 13 to 17 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 81 °F

    T-storms
    Likely then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 77. East southeast wind 13 to 17 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    Low: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 10am, then showers likely and possibly a thunderstorm after noon.  High near 80. Southeast wind 9 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. Southeast wind 11 to 16 mph.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 81. South wind 8 to 17 mph, with gusts as high as 21 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 78. Southeast wind 14 to 17 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Mostly cloudy, with a high near 80. South southeast wind 13 to 16 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 77. South southeast wind 9 to 16 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 77 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 76. East wind around 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly before 9am. Partly sunny, with a high near 81. Heat index values as high as 87. East southeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
A slight chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 77. East southeast wind 13 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms, mainly before 10am, then showers likely and possibly a thunderstorm after noon. High near 80. Southeast wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 11 to 16 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 8 to 17 mph, with gusts as high as 21 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 14 to 17 mph, with gusts as high as 20 mph.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 80. South southeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 77. South southeast wind 9 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Corpus Christi TX
 27.77°N 97.37°W
1:46 am CDT May 20, 2026
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

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