Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

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Last Map Update: Sun, Aug 30, 2026 at 5:24:35 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

Air Quality Alert

Tropical Weather

Today

Beachcast

Tonight

5-Day Outlook

There’s a medium 50% chance for an area of low pressure to develop into a tropical system. The disturbance just south of the southeastern LA coast is expected to drift WNW over the next few days and reach the LA/TX coast Tuesday or Tuesday night. Regardless of development, direct impacts to South Texas are not expected at this time, although an increase in rain chances is possible. Interests to South Texas should monitor the forecast closely as updates are provided.

There is only a very low (<10%) chance of showers along the sea breeze this afternoon, but temperatures will be hot once again. Heat index values will approach 110.

Sunny skies are expected today, with a LOW risk of rip currents. Remember, low risk does not mean no risk. Continue to be cautious on our beaches.

Tonight will have partly cloudy skies and warm temperatures. Lows will be the mid to upper 70s across most of the area, and near 80 along the coast.

Summer-time temperatures will continue through the next 5 days, with highs in the 90s along the coast to around 105 over the Brush Country. A low (15-35%) chance of showers will return early next week and continue through the end of the week.

*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 Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

NWS Corpus Christi