National Weather Service United States Department of Commerce
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Last Map Update: Sat, Jul 4, 2026 at 7:52:30 am CDT

A Heat Advisory is now in effect for Harris County from 11 AM this morning through 7 PM this evening. The combination of heat and humidity will cause heat stress for those without adequate cooling and hydration. Practice heat safety if spending time outdoors. Do not leave pets or children unattended in vehicles. Ensure your vehicles are locked so that a child does not gain access and become trapped. Visit heat.gov/heat-safety/ for tips.
Patchy fog this morning will give way to another hot and humid day as high temps climb into the mid to upper 90s for most. Heat indices top out in the 100-109° range. There is a low chance (~20%) for showers and thunderstorms this afternoon.
Tonight looks to feature mostly clear skies along with warm and muggy conditions. Lows will settle into the mid 70s to low 80s (closer to the coast). There is a low chance for patchy fog around sunrise.
More of the same is in store on Sunday. Hot and humid conditions continue with highs generally in the mid 90s along with heat indices from 100-108°. There is a low chance for showers and storms with the greatest chances closer to the TX/LA border.
The majority of Southeast Texas will experience a Moderate to Major Heat Risk over the holiday weekend. The combination of heat and humidity will cause heat stress for those without adequate cooling and hydration. Practice heat safety if spending time outdoors. Do not leave pets or children unattended in vehicles. Ensure your vehicles are locked so that a child does not gain access and become trapped. Visit heat.gov/heat-safety/ for tips.



 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Bryan07:35Mostly Cloudy10777593-30.07
College Station06:53Clear10767493SSE 5-30.02
Caldwell07:15Overcast10777594SSW 8-30.05
Huntsville06:53Clear10777593SSW 6-30.03
Navasota07:35Clear97777100CALM-30.03
Brenham07:35Partly Cloudy10767698CALM-30.03
Conroe06:53Mist57474100CALM-30.03
Cleveland07:35Clear10CALM-30.04
Liberty07:35Clear87878100CALM-30.01
Columbus07:15Clear7747499CALM-30.04
Spring06:53Mist47474100CALM-30.02
Houston Intercontinental Aprt06:53Mostly Clear10797793CALM-30.02
Katy/Brookshire07:35Mist57878100CALM-30.04
Texas Medical Center Heliport07:35Clear10807788VRB 7-30.01
Sugar Land06:53Clear107575100CALM-30.02
Houston Hobby Airport06:53Mostly Clear10787693CALM-30.02
Arcola/Sienna07:35Mist4787591CALM-30.04
Pearland06:53Clear8787693CALM-30.03
Ellington Field06:54Clear10807788CALM-30.01
La Porte07:35Clear10807788SW 5-30.02
Angleton/Lake Jackson06:53Mist47575100CALM-30.02
Galveston06:52Mostly Clear10827887W 791 [HI]30.03
Bay City07:35Clear107777100CALM-29.99
Palacios06:53Clear8837782S 592 [HI]30.01
Rig 20 Miles SE of Matagorda07:4010847883S 995 [HI]30.07


 
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