textproduct: Corpus Christi

KEY MESSAGES

Updated at 621 AM CDT Tue Apr 28 2026

- Moderate to Major Heat Risk for South Texas today through Wednesday

- Low Rain/thunderstorm chances Mid-week and Moderate chances late in the week with the next front

- Marginal threat (1 out of 5) for severe storms on Wednesday.

DISCUSSION

Issued at 120 AM CDT Tue Apr 28 2026

The region will be under the influence of ridging through the next couple of days. A cold front is expected to approach the region from the north stalling just to the north. Guidance is not in good agreement yet on the exact positioning of this front. Some vorticity from associate shortwaves has the potential to suppress the ridge, which could allow for the front to sag further south. Everything will hinge on how far south the front will go and if it does, strong to severe storms over the northern portions of the region will be possible. Currently, SPC has the northern tier of South Texas included a Marginal threat for severe weather. Will continue to monitor this over the next couple forecast cycles.

Temperatures are expected to be warm and above normal once again today and potentially tomorrow. Highs are expected to top out in the 90s and lower 100s out west. Heat indices will be around 100-110 specifically in the Brush Country and portions of the southern Coastal Bend. We strongly encourage the practice of heat safety in these conditions. Take frequent breaks and remember to stay hydrated, check those backseats, and avoid long exposure in these temperatures. For more information be sure to check out weather.gov/heatsafety.

The front will finally will push through the region as a near surface low develops in the West Texas region. Moisture is expected to converge along the front surging PWATs around 2.0" which will lead to showers and thunderstorm chances around 20-60%. The highest chances will likely be in the Victoria Crossroads region, though we will continue to monitor the trends. In the wake of the front we can expect brief cool down from above normal temperatures down to around normal. Highs are forecasted to be in the 70s and 80s across much of the area through the weekend.

AVIATION

(12Z TAFS) Issued at 621 AM CDT Tue Apr 28 2026

Mainly MVFR conditions once again early this morning but CIGS will become VFR by mid to late morning. Expect haze/smoke will once again result in 5-6sm VIS throughout the day for most sites. Tonight looks similar to the past several nights with mainly MVFR CIGS. There is a low chance for a thunderstorm at COT terminal, but expect most of the convection will remain north of the area. Have not included in TAFs at this time.

MARINE

Issued at 120 AM CDT Tue Apr 28 2026

A gentle to moderate onshore flow (BF 3-4) is expected through much of the work week ahead of our next cold front. Winds shift northeast this weekend and increase winds to strong to near Gale (BF 6-7). Accompanied by moderate rain and thunderstorm chances.

FIRE WEATHER

Issued at 120 AM CDT Tue Apr 28 2026

Fire weather concerns are not expected despite the hot temperatures early in the week. A cold front will sweep through the area towards the end of the week resulting in windy conditions shifting out of the northeast, but temperatures should cool down enough to mitigate elevated fire weather. Will keep an eye on trends and update as necessary if anything changes.

PRELIMINARY POINT TEMPS/POPS

Corpus Christi 89 74 89 73 / 10 0 0 0 Victoria 91 73 91 69 / 10 10 10 10 Laredo 100 76 99 74 / 0 0 0 10 Alice 96 74 96 72 / 10 10 0 0 Rockport 86 76 86 74 / 10 0 0 0 Cotulla 100 76 97 72 / 10 0 10 20 Kingsville 93 74 93 72 / 10 10 0 0 Navy Corpus 84 76 84 75 / 10 10 0 0

CRP WATCHES/WARNINGS/ADVISORIES

TX...None. GM...None.