NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Jun 18, 2026 at 8:50:30 pm CDT

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Flood Warning

Extreme Heat Warning

Heat Advisory

Small Craft Advisory

Rip Current Statement

Dangerous Heat Expected

Dangerous Heat Continues

Locally Heavy Rain Possible Late Friday

High Risk of Rip Currents

Heat Advisory in effect from 11 AM Thursday through 10 PM Friday. High Temps: 90°-95°F / 32°-35°C Heat Index: 107°-114°F / 41°-46°C If you have AC, use it. Fans may not be adequate. Limit strenuous time outdoors in the afternoon. Stay hydrated. Wear light-weight, light-colored clothing.

Heat Advisory for all of Southeast Texas, 8 PM Thursday through 10 PM Saturday. Highs of 90-95°F with dangerous heat index values between 107-114°F 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.

Increasing rain and storm chances late Friday afternoon into early Saturday as a disturbance moves through the region from the northwest. Flash flooding will be possible with the heaviest rain, especially with saturated grounds. Frequent lightninf and gusty winds will also be possible.

A HIGH risk of rip currents is expected for all Gulf-facing beaches through at least Saturday evening. Rip currents can sweep even strong swimmers away from shore. If caught in one, do not swim against it; swim parallel to the shoreline until you escape, then angle toward the beach. If you cannot reach shore, call for help.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	20:35	Clear	10	86	79	77		-	29.75
College Station	19:53	Clear	10	90	78	68	SSE 12	105 [HI]	29.71
Caldwell	20:15	Clear	10	87	78	74	SSE 10	100 [HI]	29.73
Huntsville	19:53	Mostly Clear	10	91	80	70	SE 10	109 [HI]	29.74
Navasota	20:35	Clear	10	86	84	91	SSE 7	108 [HI]	29.72
Brenham	20:35	Clear	10	87	80	79	SSE 5	102 [HI]	29.72
Conroe	19:53	Mostly Clear	8	89	81	77	SE 8	108 [HI]	29.73
Cleveland	20:35	Partly Cloudy	7				CALM	-	29.77
Liberty	20:35	Mist	3	84	80	88	SSE 7G15	97 [HI]	29.75
Columbus	20:35	Clear	10	85	80	83	SE 5	99 [HI]	29.73
Spring	19:53	Haze	5	89	78	70	SSE 6	103 [HI]	29.72
Houston Intercontinental Aprt	19:53	Haze	6	88	80	77	SSE 10	105 [HI]	29.73
Katy/Brookshire	20:35	Haze	4	86	82	89	S 12	104 [HI]	29.74
Texas Medical Center Heliport	20:35	Haze	2 1/2	84	80	88	SSE 17G26	97 [HI]	29.73
Sugar Land	19:53	Overcast	7	86	80	82	SSE 12	101 [HI]	29.73
Houston Hobby Airport	19:53	Haze	6	87	79	76	SSE 14	102 [HI]	29.74
Arcola/Sienna	20:35	Haze	5	85	78	80	SE 7	97 [HI]	29.76
Pearland	19:53	Haze	4	86	79	79	SSE 7	100 [HI]	29.77
Ellington Field	19:54	Haze	3	86	78	79	SE 12	98 [HI]	29.74
La Porte	20:15	Haze	5	86	80	81	SSE 10	100 [HI]	29.76
Angleton/Lake Jackson	19:53	Overcast	7	85	79	82	S 12	98 [HI]	29.75
Galveston	19:52	Mostly Cloudy	9	85	81	87	SSE 12	100 [HI]	29.77
Bay City	20:35	Mostly Clear	10	84	84	100	SE 7	103 [HI]	29.71
Palacios	19:53	Haze	4	86	81	85	SE 16	103 [HI]	29.71
Rig 20 Miles SE of Galveston	20:40	Mist	3	84	80	88	ESE 12G20	97 [HI]	29.78
Rig 20 Miles SE of Matagorda	20:40	Mist	5	84	84	100	SSE 14	104 [HI]	29.77

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