National Weather Service United States Department of Commerce
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Last Map Update: Sat, Jul 4, 2026 at 4:12:35 pm 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 (10-20%) 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.
Firework plans for the 4th of July? Please make sure to take precautions and launch fireworks safely. Light winds will disperse smoke to the north Low chance (near 0%) of thunder tonight. Stay weather aware when celebrating outdoors. Know your local ordinances and follow them.
More of the same is in store on Sunday. Hot conditions continue with highs generally in the mid-upper 90s along with heat indices from 100-107°. Humid in the morning, decreasing throughout the day. 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.
Continued heat is expected across the region. Maximum temperatures are forecast to range from 88-97°F (31° to 36°C), with maximum heat indices reaching into the triple digits. Please remain aware of heat safety. There are generally low chances (10-30%) of scattered afternoon showers and thunderstorms throughout the week.



 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Bryan15:55Partly Cloudy10947249S 7102 [HI]29.99
College Station15:53Partly Cloudy10957247VRB 6104 [HI]29.97
Caldwell15:55Partly Cloudy10956841SW 9100 [HI]29.98
Huntsville15:53Partly Cloudy10937149W 7100 [HI]29.98
Navasota15:55Mostly Clear10947657S 7107 [HI]29.96
Brenham15:55Partly Cloudy10947148S 3101 [HI]29.97
Conroe15:53Partly Cloudy10957044VRB 5102 [HI]29.97
Cleveland15:55Partly Cloudy10SSE 7-29.99
Liberty15:55Mostly Clear10937556VRB 6105 [HI]29.96
Columbus15:55Partly Cloudy10947350SSW 6104 [HI]29.98
Spring15:53Mostly Cloudy10947452VRB 3104 [HI]29.97
Houston Intercontinental Aprt15:53Partly Cloudy10967043SSW 6103 [HI]29.96
Katy/Brookshire15:55Mostly Cloudy10957349CALM105 [HI]29.98
Texas Medical Center Heliport15:55Clear10956436CALM97 [HI]29.96
Sugar Land15:53Clear10957247S 5104 [HI]29.96
Houston Hobby Airport15:53Partly Cloudy10987243SE 7108 [HI]29.96
Arcola/Sienna15:55Mostly Cloudy10957145ESE 5103 [HI]29.98
Pearland15:53Clear10947351S 10103 [HI]29.98
Ellington Field15:54Partly Cloudy10937556SE 7105 [HI]29.96
La Porte15:55Clear10937556SSE 15105 [HI]29.98
Angleton/Lake Jackson15:53Mostly Clear10917661SSE 14103 [HI]29.98
Galveston15:52Clear10907663S 12102 [HI]30.00
Bay City15:55Mostly Clear10908072SSE 14109 [HI]29.95
Palacios15:53Clear10907765S 12103 [HI]29.99
Rig 20 Miles SE of Matagorda16:0010877874SE 6100 [HI]30.05


 
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