textproduct: Corpus Christi
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
Updated at 614 PM CDT Tue Jun 30 2026
- Moderate risk of heat-related impacts into early next week, afternoon heat indices of 100-108
- Very low rain chances (5-20%) return latter half of the week, mainly along seabreeze over the inland Coastal Plains
DISCUSSION
Issued at 122 PM CDT Tue Jun 30 2026
June nears the end, with near steady temperatures and heat indices of 100-108 persisting daily into early next week. Meanwhile, a large high pressure system over the eastern US will continue to dominate, not moving much until the latter half of this week.
Multiple shortwaves will weaken the ridge to end the work week, enhancing moisture across South Texas with PWATs between 1.75- 2.0". This moisture and seabreeze will bring daily very low rain chances. Zooming into early next week, the synoptic flow becomes uncertain.
Recent model runs have trended towards a more zonal flow, with ensemble guidance still varying widely. The GEFS/CMC ensembles favor taller heights at 500mb over the northern CONUS, whereas the ENS indicates shorter heights (troughing). However, deterministic runs result in either a mid-level trough digging into S TX or cut-off low entering Mexico. Both scenarios warrant very low rain chances to dwell into early next week.
"Signing off after 34 years of federal service. Be safe everyone!" Thank you, John! Enjoy your retirement!
AVIATION
(00Z TAFS) Issued at 614 PM CDT Tue Jun 30 2026
VFR conditions are expected through this evening with gusty winds until about 06z. Winds over night will become light and restrengthen tomorrow morning. Brief MVFR conditions will be possible at a couple of sites between 09-13z, otherwise, VFR conditions are expected.
MARINE
Issued at 122 PM CDT Tue Jun 30 2026
A gentle to moderate south to southeasterly breeze (BF 3-4) will persist into early next week. There will be very low rain chances daily into early next week as moisture increases.
PRELIMINARY POINT TEMPS/POPS
Corpus Christi 78 91 77 91 / 0 10 0 0 Victoria 76 94 75 95 / 0 10 0 20 Laredo 76 99 76 98 / 0 0 0 0 Alice 76 94 74 94 / 0 10 0 20 Rockport 81 91 80 91 / 0 10 0 0 Cotulla 75 97 75 97 / 0 0 0 0 Kingsville 76 92 75 92 / 0 0 0 10 Navy Corpus 81 89 81 89 / 10 10 0 0
CRP WATCHES/WARNINGS/ADVISORIES
TX...None. GM...None.
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