Showers and Thunderstorms from the Great Lakes into the Southern Plains

Frontal boundary and wave of low pressure will keep an active weather pattern from the Great Lakes region through the southern Plains the next couple of days. Isolated instances of severe thunderstorms and flash flooding are possible. Meanwhile, as summer comes to a close, above normal temperatures continue for central and eastern U.S. - especially for most of Puerto Rico with excessive heat. Read More >

Current conditions at

Robstown, Nueces County Airport (KRBO)

Lat: 27.78°NLon: 97.69°WElev: 79ft.

85°F

29°C

Humidity 82%
Wind Speed E 8 mph
Barometer 29.92 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Sep 1:15 pm CDT
Extended Forecast for

Petronila TX

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 92. Heat index values as high as 101. East southeast wind 11 to 14 mph, with gusts as high as 18 mph.  New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 76. Southeast wind 5 to 13 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 3pm.  Mostly sunny, with a high near 94. Heat index values as high as 105. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 7 to 13 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 95. South southeast wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 95. South wind 7 to 11 mph.  Chance of precipitation is 50%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 1am.  Partly cloudy, with a low around 76. Southeast wind 7 to 10 mph.  Chance of precipitation is 50%.

    Low: 76 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. North northeast wind around 9 mph.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 92. Heat index values as high as 101. East southeast wind 11 to 14 mph, with gusts as high as 18 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southeast wind 5 to 13 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Light south southeast wind becoming southeast 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 77. South southeast wind 7 to 13 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 7 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. South wind 7 to 11 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 76. Southeast wind 7 to 10 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. North northeast wind around 9 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 70.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Petronila TX
 27.67°N 97.63°W
12:16 pm CDT Sep 21, 2025
1pm CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
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Additional Resources

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Hourly Weather Forecast

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