Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

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Last Map Update: Sun, Aug 23, 2026 at 1:56:47 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

Extreme Heat Warning

Heat Advisory

Heat Advisory Sunday

Fire Danger Statement

Today

Beachcast

Tonight

5-Day Outlook

The combination of hot temperatures and humid conditions will result in heat indices as high as 113. A Heat Advisory has been issued for the Coastal Plains, Victoria Crossroads, and northern Brush Country from noon to 8 pm today. Make sure to keep yourself hydrated and take plenty of breaks in the shade/AC.

Elevated fire weather conditions will be expected today across inland South Texas. Though winds will be relatively light dry to critically dry conditions will exist across the region. Fires can ignite very easily in these conditions.

Sunny skies can be expected today. Highs between 100 and 107 west, and in the 90s east. Heat index values up to 113. South to southeast winds 10-20 mph.

Sunny skies expected today. Expect high temperatures in the upper 80s to around 90 at area beaches along the middle Texas coast. There is a low risk for rip currents, but low risk does not mean no risk. Use caution if entering the water.

Mostly clear, warm and humid conditions expected tonight with lows in the mid 70s to around 80.

Summer time conditions continue through the next 5 days. No substantial rain chances are anticipated.

*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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Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

NWS Corpus Christi