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WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Mostly Cloudy

77°F

25°C

Humidity	96%
Wind Speed	N 10 mph
Barometer	29.95 in (1013.9 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	4 Oct 1:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Palm Valley TX

This Afternoon
High: 84 °F
Showers
Tonight
Low: 73 °F
Showers
Monday
High: 83 °F
Showers
Monday Night
Low: 71 °F
Showers
Likely
Tuesday
High: 87 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 71 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 90 °F
Sunny then
Chance
Showers
Wednesday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Thursday
High: 89 °F
Showers
Likely

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 84. North northeast wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 73. North wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 83. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 71. North wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Tuesday

A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 87. North wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

Tuesday Night

A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 71. North northeast wind 3 to 8 mph. Chance of precipitation is 10%.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. North northeast wind 8 to 11 mph, with gusts as high as 23 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Northeast wind 5 to 9 mph becoming calm. Winds could gust as high as 20 mph.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. North northeast wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northwest wind 10 to 13 mph, with gusts as high as 25 mph.

Friday Night

A 20 percent chance of showers. Partly cloudy, with a low around 69.

Saturday

Sunny, with a high near 89.