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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!
- Severe to Extreme Conditions Remain for Parts of the RGV/Ranchlands Headed into Late October. Click Here for Details.
- 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
82°F
28°C
| Humidity | 40% |
| Wind Speed | SE 7 mph |
| Barometer | 30.17 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 19 Oct 2:35 pm CDT |
Extended Forecast for
4 Miles SE San Ygnacio TX
This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 69 °F
Mostly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 71 °F
Partly Cloudy
Thursday
High: 91 °F
Mostly Sunny
Thursday Night
Low: 68 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 87. Calm wind.
Tonight
Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
Sunny, with a high near 91. Calm wind.
Wednesday Night
Partly cloudy, with a low around 71. Light and variable wind.
Thursday
Mostly sunny, with a high near 91. Light and variable wind.
Thursday Night
Mostly clear, with a low around 68. East southeast wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny, with a high near 90. Calm wind becoming southeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 68. East southeast wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 92. Light east southeast wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SE San Ygnacio TX
27°N 99.38°W
27°N 99.38°W
2:30 pm CDT Oct 19, 2026
2pm CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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