Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East
Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >
| NWS Forecast for: San Antonio, Mesquite, and Espiritu Santo Bays (GMZ237) Issued by: National Weather Service Corpus Christi, TX Last Update: 138 AM CDT Wed May 20 2026 | |
Today: East winds 5 to 10 knots, becoming southeast 10 to 15 knots late. Bay and inland waters slightly choppy to occasionally choppy. Showers and thunderstorms likely early this morning, then a slight chance of showers and thunderstorms late this morning. Tonight: Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms after midnight. Thursday: Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of thunderstorms. Showers. Thursday Night: Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Friday: South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers and thunderstorms. Friday Night: Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. A chance of showers. A chance of thunderstorms after midnight. Saturday: Southeast winds 10 to 15 knots. Bay and inland waters slightly choppy to occasionally choppy. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Saturday Night: Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of thunderstorms. Showers. Sunday: South winds 5 to 10 knots. Bay and inland waters smooth. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Sunday Night: Southeast winds 5 to 10 knots. Bay and inland waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. | |
| Zone Forecast: San Antonio, Mesquite, and Espiritu Santo Bays (GMZ237) | |
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