National Weather Service

News Headlines

WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
October 1-7 Rainfall Improves Long-Term Drought, but Severe to Extreme Conditions Remain for Some. Click Here for Details.
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

Zapata, TX (KAPY)

Lat: 26.97°NLon: 99.25°WElev: 423ft.

Fair

90°F

32°C

Humidity	56%
Wind Speed	S 10 G 18 mph
Barometer	29.95 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	13 Oct 11:35 am CDT

More Information:

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

Extended Forecast for

4 Miles SE San Ygnacio TX

Today
High: 100 °F
Hot
Tonight
Low: 78 °F
Mostly Clear
Wednesday
High: 100 °F
Hot
Wednesday Night
Low: 77 °F
Partly Cloudy
Thursday
High: 96 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Friday
High: 91 °F
Chance
Showers
Friday Night
Low: 67 °F
Chance
Showers
Saturday
High: 82 °F
Partly Sunny
then Slight
Chance
Showers

Detailed Forecast

Today

Sunny and hot, with a high near 100. Heat index values as high as 106. South southeast wind 14 to 16 mph, with gusts as high as 24 mph.

Tonight

Mostly clear, with a low around 78. Southeast wind around 14 mph, with gusts as high as 29 mph.

Wednesday

Sunny and hot, with a high near 100. Heat index values as high as 105. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.

Wednesday Night

Partly cloudy, with a low around 77. East southeast wind 11 to 15 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 96. East southeast wind around 10 mph, with gusts as high as 24 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

Friday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. North northeast wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

Friday Night

A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 67. North northeast wind 7 to 13 mph, with gusts as high as 28 mph.

Saturday

A 20 percent chance of showers after 1pm. Partly sunny, with a high near 82. North wind 8 to 15 mph, with gusts as high as 33 mph.

Saturday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64. North wind around 5 mph becoming calm in the evening.

Sunday

A 20 percent chance of showers. Partly sunny, with a high near 85. Calm wind.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 67.

Monday

Partly sunny, with a high near 89.