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Hazardous Weather Conditions

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Overcast

78°F

26°C

Humidity 97%
Wind Speed S 12 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 Jun 9:52 am CDT
Extended Forecast for

Harlingen TX

Flood Watch June 16, 10:23am until June 17, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 16, 10:23am until June 17, 07:00am

    NOW until 7:00am Wed

    Flood Watch

  • Today

    High: 83 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 11pm and 3am. Mostly cloudy, with a low around 75. Southwest wind 3 to 6 mph.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly sunny, with a high near 94. Heat index values as high as 111. Southwest wind around 7 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 80. South southeast wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 80 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. South southeast wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82. South southeast wind 13 to 16 mph, with gusts as high as 31 mph.

    Low: 82 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 96. South southeast wind around 14 mph, with gusts as high as 25 mph.

    High: 96 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 81. South southeast wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 81 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 83. West southwest wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 11pm and 3am. Mostly cloudy, with a low around 75. Southwest wind 3 to 6 mph.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly sunny, with a high near 94. Heat index values as high as 111. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind 9 to 13 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 97. South southeast wind 13 to 16 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 82. South southeast wind 13 to 16 mph, with gusts as high as 31 mph.
Juneteenth
Mostly sunny, with a high near 96. South southeast wind around 14 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 81. South southeast wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 94. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 80. Southeast wind around 11 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 94. South southeast wind 13 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 81.
Monday
Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
10:18 am CDT Jun 16, 2026
Forecast Valid:
10am CDT Jun 16, 2026-6pm CDT Jun 22, 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