NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Jun 18, 2026 at 11:36:25 pm CDT

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Flood Warning

Heat Advisory

Small Craft Advisory

Rip Current Statement

Dangerous Heat Continues

Locally Heavy Rain Possible Late Friday

High Risk of Rip Currents

A Heat Advisory is in effect for all of Southeast Texas through 10 PM Saturday. Highs of 90-95°F (32-35°C) with dangerous heat index values between 107-112°F (41-44°C) expected. Use air conditioning, as fans may be inadequate for this extreme heat. Stay hydrated and wear lightweight, light-colored clothing to remain cool. Limit strenuous outdoor activities, especially during the afternoon.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	23:15	Clear	10	84	78	84	SSE 7	95 [HI]	29.82
College Station	22:53	Clear	10	84	78	82		-	29.79
Caldwell	22:55	Lightning Observed	10	82	78	88	SSE 10	91 [HI]	29.79
Huntsville	22:53	Mist	6	84	80	87	SSE 9	97 [HI]	29.81
Navasota	23:15	Clear	7	82	82	100	SSE 6	96 [HI]	29.79
Brenham	23:15	Partly Cloudy	7	82	79	91	SE 5	92 [HI]	29.79
Conroe	22:53	Mist	3	82	80	93	SE 7	94 [HI]	29.81
Cleveland	23:15	Mist	3				SE 3	-	29.83
Liberty	23:15	Mist	5	80	80	100	SSE 5	-	29.81
Columbus	23:15	Overcast	7	82	80	91	SE 5	94 [HI]	29.81
Spring	22:53	Haze	4	84	79	84	VRB 5	96 [HI]	29.80
Houston Intercontinental Aprt	22:53	Haze	6	84	79	84	S 7	96 [HI]	29.79
Katy/Brookshire	23:15	Mist	5	82	80	94	S 10	93 [HI]	29.81
Texas Medical Center Heliport	23:15	Mist	4	82	80	94	SE 13	93 [HI]	29.79
Sugar Land	22:53	Overcast	10	83	80	91	SE 9	95 [HI]	29.80
Houston Hobby Airport	22:53	Haze	6	84	80	87	SSE 10	97 [HI]	29.80
Arcola/Sienna	23:15	Clear	7	82	78	87	SE 3	92 [HI]	29.82
Pearland	22:53	Mostly Clear	7	84	80	87	SE 6	97 [HI]	29.82
Ellington Field	22:54	Mostly Clear	7	82	80	94	SE 12	93 [HI]	29.80
La Porte	22:55	Partly Cloudy	10	84	80	86	S 12	98 [HI]	29.81
Angleton/Lake Jackson	22:53	Overcast	8	83	80	91	SSE 12	95 [HI]	29.80
Galveston	22:52	Mostly Clear	9	84	80	87	SSE 14	97 [HI]	29.82
Bay City	23:15	Clear	10	83	83	100	SE 8	99 [HI]	29.76
Palacios	22:53	Haze	6	85	80	85		-	29.77
Rig 20 Miles SE of Galveston	23:20	Mist	4	84	80	88	SE 14G20	97 [HI]	29.84
Rig 20 Miles SE of Matagorda	23:20	Mist	5	84	84	100	SSE 16	104 [HI]	29.83

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