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

Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed E 7 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 May 12:52 pm CDT
Extended Forecast for

Palm Valley TX

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

    NOW until 7:00am Mon

    Flood Watch

  • This Afternoon

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southeast wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. South southeast wind 5 to 11 mph. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 76. South southeast wind 7 to 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. East wind 5 to 9 mph becoming light east southeast after midnight. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind 5 to 8 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 87. Southeast wind around 8 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southeast wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. South southeast wind 5 to 11 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 76. South southeast wind 7 to 11 mph. Chance of precipitation is 30%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 89. Southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. East wind 5 to 9 mph becoming light east southeast after midnight. Chance of precipitation is 60%.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Calm wind becoming east southeast 5 to 7 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. East wind 5 to 8 mph becoming calm in the evening.
Memorial Day
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming east 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming light southeast after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Palm Valley TX
 26.21°N 97.75°W
Last Update:
1:30 pm CDT May 21, 2026
Forecast Valid:
1pm CDT May 21, 2026-6pm CDT May 27, 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