NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, Jul 21, 2026 at 12:32:30 am CDT

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Flood Warning

Heat Advisory

Dangerous Heat this Week

Tropical Storm Bertha

Monday Overnight/Tuesday Outlook

Very hot and humid conditions are expected on Tuesday with highs in the upper 90s to near 100F. Peak heat indices around 108F. A Heat Advisory is in effect for all of Southeast Texas from 11 am to 8 pm Tuesday. Be sure to practive heat safety whereever you are.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	23:55	Clear	10	81	72	74	SSE 3	-	29.93
College Station	23:53	Clear	10	81	73	76	S 3	-	29.90
Caldwell	23:55	Clear	10	80	73	78	S 5	-	29.92
Huntsville	23:53	Clear	10	80	73	79	CALM	-	29.91
Navasota	00:15	Clear	10	78	78	100	S 7	-	29.89
Brenham	00:15	Clear	10	80	75	83	SSW 6	-	29.91
Conroe	23:53	Clear	10	75	73	93	CALM	-	29.91
Cleveland	00:15	Clear	10				CALM	-	29.91
Liberty	00:15	Clear	9	80	78	94	SSW 5	-	29.88
Columbus	00:15	Clear	10	77	75	94	SSW 3	-	29.93
Spring	23:53	Clear	9	80	73	79	CALM	-	29.90
Houston Intercontinental Aprt	23:53	Clear	10	85	77	77	S 5	95 [HI]	29.89
Katy/Brookshire	00:15	Clear	7	80	77	88	SW 7	-	29.92
Texas Medical Center Heliport	00:15	Clear	8	82	75	78	VRB 7	-	29.90
Sugar Land	23:53	Clear	10	80	76	87	SSW 9	-	29.90
Houston Hobby Airport	23:53	Mostly Clear	9	81	76	84	SSW 8	-	29.90
Arcola/Sienna	00:15	Clear	10	79	74	85	SW 3	-	29.91
Pearland	23:53	Clear	9	80	76	87	SW 3	-	29.92
Ellington Field	23:54	Clear	10	80	75	83	S 12	-	29.89
La Porte	00:15	Clear	10	80	77	88	WSW 7	-	29.91
Angleton/Lake Jackson	23:53	Clear	10	77	76	96	SW 5	-	29.91
Galveston	23:52	Clear	10	82	77	84	SW 10	-	29.90
Bay City	00:15	Clear	10	76	76	100	S 5	-	29.87
Palacios	23:53	Clear	10	83	77	82	SSE 9	92 [HI]	29.91
Rig 20 Miles SE of Matagorda	00:20		10	84	78	83	S 15	95 [HI]	29.95

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