Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact multiple areas in the Plains and Intermountain West. Isolated severe thunderstorm wind gusts and possibly a tornado or two could occur tonight from southern and eastern New Mexico into west Texas. Read More >

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Last Map Update: Tue, Sep 29, 2026 at 10:10:35 pm CDT

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National Weather Service Austin/San Antonio, TX

National Weather Service Houston/Galveston, TX

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National Weather Service Brownsville/Rio Grande Valley, TX

Flood Watch

Flooding Risk Increases

Beachcast

Tonight

5-Day Outlook

Abundant moisture from the remnants of Hurricane Polo will interact with a slow moving cold front which will promote scattered to numerous showers and thunderstorms. Efficient rainfall rates and training showers and storms will lead to flooding, especially late this week. A Moderate Risk (at least 40%) of flash flooding was introduced to the Brush Country including the city of Laredo. Please have multiple ways to receive a warning.

Scattered showers are expected today along area beaches. High temperatures in the upper 80s and a very high UV index. Southeast winds around 15 mph. There's a low risk for rip currents today but low risk does not mean no risk. Dangerous rip currents are possible especially near piers and jetties.

Cloud cover will continue with balmy conditions overnight across South Texas. Low temperatures will range from the low 70s to around 80 along the coast. Winds will remain gusty overnight with winds between 15-20 mph.

Rain chances increase Wednesday ahead with the best chances (30-40%) for rain north and east of I-37. Our focus remains with the cold front and the likeliness of heavy rain. With South Texas under a Slight to Moderate risk of flash flooding for several days, flooding will be likely across areas of poor drainage.

*Hourly Weather Roundup ( )*
*Location*	*Sky/Weather*	*Temp*	*Dewpt*	RH	*Wind*	*Baro*	*Remarks*
Alice	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Beeville	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Corpus Christi	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Corpus Christi NAS	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Cotulla	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Kingsville NAS	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Laredo	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Port Lavaca	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Rockport	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Victoria	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Note: "N/A" or "MISG" will be displayed if values are not available. In the LOCATION column, click on links for a list of recent observations at sites of interest. In the WIND column, VRB is "variable" and G is "gust". Wind speeds are in MPH. In the BARO (pressure) column, values are in inches. In the REMARKS column, HX is "heat index", WCI is "wind chill index", and VSB is "visibility" (if shown).

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Heavy to Excessive Rainfall This Week from the Southwest into Central U.S.; Severe Weather in the Southern Plains

NWS Corpus Christi