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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Hazardous Weather Conditions

Current conditions at

Corpus Christi, Corpus Christi International Airport (KCRP)

Lat: 27.77°NLon: 97.51°WElev: 43ft.

Thunderstorm Rain

78°F

26°C

Humidity 93%
Wind Speed NE 7 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 76°F (24°C)
Visibility 7.00 mi
Heat Index81°F (27°C)
Last update 21 May 4:51 am CDT
Extended Forecast for

Corpus Christi TX

Flood Watch May 21, 05:01am until May 25, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 21, 05:01am until May 25, 07:00pm

    NOW until 7:00pm Mon

    Flood Watch

  • Overnight

    Low: 76 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 4pm. Mostly cloudy, with a high near 82. Heat index values as high as 88. North northeast wind 8 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Heat index values as high as 98. South wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind 10 to 14 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South southeast wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 77. South southeast wind 8 to 14 mph. Chance of precipitation is 80%.

    Low: 77 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southeast wind 6 to 9 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. Southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms, mainly between 9am and 4pm. Mostly cloudy, with a high near 82. Heat index values as high as 88. North northeast wind 8 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 7 to 11 mph. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Heat index values as high as 98. South wind 7 to 13 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South southeast wind 10 to 14 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South southeast wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Low around 77. South southeast wind 8 to 14 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Corpus Christi TX
 27.82°N 97.4°W
Last Update:
2:56 am CDT May 21, 2026
Forecast Valid:
5am CDT May 21, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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