Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Mar 21, 2026 at 3:50:19 am 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

There are no watches, warnings, or advisories at this time.

Fire Danger

Today

Beachcast

Tonight

Extended Forecast

Relative humidity values as low as 12-25%, southeast winds gusting to 25 mph, and critically dry fuels will lead to elevated fire weather conditions this afternoon across the inland Coastal Plains/Brush Country, including Live Oak, Jim Wells, Duval, McMullen, La Salle, and Webb counties. Please avoid sparks!

Well above normal conditions continue with western locales approaching 100 degrees this afternoon. Elevated fire weather conditions continue across the inland Coastal Plains and Brush Country.

Afternoon highs will be in the mid 70s again today under mostly sunny skies. There is a low risk of rip currents across area beaches today. Low risk does not mean no risk; please use caution if entering the waters.

Lows tonight will range in the upper 50s to mid 60s under mostly clear skies. Accompanied by breezy conditions out west.

Mostly clear skies and dry conditions will accompany well above normal afternoon temperatures through next week. Elevated Fire Weather conditions are possible daily through Thursday.

*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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Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

NWS Corpus Christi