National Weather Service United States Department of Commerce
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Last Map Update: Tue, Aug 18, 2026 at 6:14:49 pm CDT

Expect yet another warm and muggy night with temperature minimums in the upper 70s/lower 80s. Winds will begin to return out of the southwest at 5-10 mph under mostly clear skies.
Hot weather is expected on Wednesday with highs in the 90s to triple digits. Heat indices will range from 102-107 degrees. With these hot conditions, remember to stay hydrated and take breaks indoors to cool off.
Practice HEAT SAFETY Wherever You Are. Heat related deaths are preventable. Protect yourself and others from the impacts of heat waves. Job Sites: Stay hydrated and take breaks in the shade as often as possible. Indoors: Check up on the elderly, sick and those without AC. Vehicles: Never leave kids or pets unattended - LOOK before you LOCK. Outdoors: Limit strenuous outdoor activities, find shade, and stay hydrated. weather.gov/heat
Afternoon WBGT values are forecasted to range from 84-92 degrees over the next few days. Extreme values of 90 or more will occur in some locations between 1-4 pm.
Heat stress is commonly measured by the Heat Index or the “feels like temperature”. An alternative method is the wet bulb globe temperature (WBGT). WBGT estimates the effect of temperature, relative humidity, wind speed, and solar radiation on humans. WBGT is derived from a combination of temperatures from three thermometers: Black globe - for solar factor (sun angle and cloud cover), Wet bulb - for humidity, and Dry bulb - for the ambient temperature. WBGT values of 90 or greater are dangerous for strenuous outdoor activities. https://www.youtube.com/watch?v=jstHHkm_6vQ
Hot and humid conditions continue with high temperatures mostly in the 90s to triple digits. Max Heat indices are expected to reach 100-112 degrees. Near zero rain chances, though there is a possibility of isolated showers along the sea breeze this weekend. Please practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.



 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Bryan17:35Clear10996634S 7103 [HI]29.98
College Station17:53Clear10996634S 8103 [HI]29.96
Caldwell17:35Clear101006431SSE 10103 [HI]29.98
Huntsville17:53Clear10986939SSE 12105 [HI]29.97
Navasota17:55Clear91006835SSW 6105 [HI]29.95
Brenham17:55Partly Cloudy10976737WSW 7102 [HI]29.97
Conroe17:53Mostly Clear10996836SSW 9105 [HI]29.97
Cleveland17:55Partly Cloudy10S 9-29.98
Liberty17:55Clear10917866S 9G16106 [HI]29.98
Columbus17:55Partly Cloudy10977245S 7106 [HI]29.98
Spring17:53Clear10967144VRB 6104 [HI]29.97
Houston Intercontinental Aprt17:53Mostly Clear10957552S 14107 [HI]29.97
Katy/Brookshire17:55Mostly Clear9957553S 13G18107 [HI]29.99
Texas Medical Center Heliport17:55Clear10937352SSE 17102 [HI]29.97
Sugar Land17:53Mostly Clear10937556S 10105 [HI]29.98
Houston Hobby Airport17:53Partly Cloudy10947656SSE 13G18107 [HI]29.98
Arcola/Sienna17:55Clear10937351SSW 6102 [HI]30.00
Pearland17:53Mostly Clear10927557S 8103 [HI]30.01
Ellington Field17:54Partly Cloudy10917559SSE 14102 [HI]29.98
La Porte17:55Partly Cloudy10917559S 13102 [HI]30.00
Wharton17:55Partly Cloudy10947147S 10G17101 [HI]30.00
Angleton/Lake Jackson17:53Clear10917457S 13101 [HI]30.00
Galveston17:52Clear10907765S 14103 [HI]30.01
Bay City17:55Clear10917762S 13105 [HI]29.96
Palacios17:53Clear9897870S 12103 [HI]29.99
Rig 20 Miles SE of Matagorda18:0010877874S 8100 [HI]30.06


 
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