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

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

A Few Clouds

76°F

24°C

Humidity 94%
Wind Speed S 13 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index76°F (24°C)
Last update 19 May 8:55 am CDT
Extended Forecast for

2 Miles NE Long Mott TX

  • Today

    Today: Partly sunny, with a high near 84. Heat index values as high as 94. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 78. Southeast wind 9 to 15 mph becoming northeast after midnight. Winds could gust as high as 22 mph.

    Low: 78 °F

    Heavy Rain

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 83. Heat index values as high as 91. South southeast wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 77. Southeast wind 7 to 11 mph.  Chance of precipitation is 10%.

    Low: 77 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 81. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 77. South southeast wind 7 to 11 mph.  Chance of precipitation is 70%.

    Low: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 82. South wind 6 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 85. Southeast wind 5 to 11 mph.  Chance of precipitation is 80%.

    High: 85 °F

    Showers

Detailed Forecast

Today
Partly sunny, with a high near 84. Heat index values as high as 94. Southeast wind 14 to 16 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. Southeast wind 9 to 15 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Heat index values as high as 91. South southeast wind 9 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 77. Southeast wind 7 to 11 mph. Chance of precipitation is 10%.
Thursday
Showers and possibly a thunderstorm. High near 81. South southeast wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. South southeast wind 7 to 11 mph. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 77. South southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 85. Southeast wind 5 to 11 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 76. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Memorial Day
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Long Mott TX
 28.49°N 96.76°W
6:21 am CDT May 19, 2026
9am CDT May 19, 2026-6pm CDT May 25, 2026
 
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Additional Resources

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