Heavy Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact the Southwest into the Plains. Scattered severe thunderstorms capable of mainly severe wind gusts appear possible across portions of the southern Plains this afternoon into tonight. There is also a risk of isolated severe winds gusts and tornadoes in Kansas into Nebraska. Read More >

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Last Map Update: Wed, Sep 30, 2026 at 1:08:16 pm CDT

Watches, Warnings & Advisories

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

Heat Advisory

Small Craft Advisory

Rip Current Statement

Flood Watch

Special Weather Statement

Flooding Risk Increases

Heat Advisory

Flood Watch

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. Please have multiple ways to receive a warning.

Ample moisture combined with above normal temperatures will yield heat index values up to 113° with a major risk of heat-related impacts.

Heavy rain Thursday and Friday is expected to increase the risk of flash flooding. Areas within the Flood watch could see 3-6" of rain with isolated amounts up to 8". Please continue to pay attention to the forecast, the Flood Watch could be expanded. Please have multiple ways to receive a warning.

Scattered showers are expected today along area beaches, especially north of Port Aransas. 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 will continue to rise through the rest of the week with the best chances for heavy rain Thursday through Friday. With South Texas under a Slight to Moderate risk of flash flooding for several days, flooding will be likely across areas of poor drainage. A Flood Watch has been issued for parts of South Texas. Temperatures in the wake of the front will remain under 90°!

*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 Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

NWS Corpus Christi