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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

Hazardous Weather Conditions

Flood Advisory until October 4, 11:45 AM CDT

Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Rain Fog/Mist

76°F

24°C

Humidity	97%
Wind Speed	N 15 mph
Barometer	29.96 in (1014.4 mb)
Dewpoint	75°F (24°C)
Visibility	5.00 mi
Heat Index	75°F (24°C)
Last update	4 Oct 10:52 am CDT

More Information:

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

Extended Forecast for

2 Miles E Palm Valley TX

Flood Advisory October 4, 11:24am until October 4, 11:45am

Click here for hazard details and duration

Flood Advisory

Flood Advisory October 4, 11:24am until October 4, 11:45am
NOW until 11:45am Sun
Flood Advisory
Today
High: 84 °F
Showers
Tonight
Low: 72 °F
Showers
Monday
High: 84 °F
Showers
Monday Night
Low: 72 °F
Showers
Likely
Tuesday
High: 89 °F
Chance
Showers
Tuesday Night
Low: 71 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 72 °F
Mostly Clear
then Slight
Chance
Showers

Detailed Forecast

Today

Showers and possibly a thunderstorm. High near 84. North wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 72. 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 before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 84. North wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 72. North northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Tuesday

A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 89. North northeast wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

Tuesday Night

Mostly clear, with a low around 71. North northeast wind 5 to 9 mph becoming calm.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. North northeast wind 8 to 11 mph, with gusts as high as 22 mph.

Wednesday Night

A 20 percent chance of showers after 1am. Mostly clear, with a low around 72. Northeast wind 5 to 9 mph becoming calm.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. North northeast wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of showers. Partly cloudy, with a low around 71. North northeast wind 5 to 9 mph, with gusts as high as 20 mph.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North northwest wind around 11 mph, with gusts as high as 23 mph.

Friday Night

A 30 percent chance of showers. Partly cloudy, with a low around 71.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.