NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Fri, Jun 19, 2026 at 4:30:22 am CDT

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Flood Warning

Heat Advisory

Small Craft Advisory

Rip Current Statement

Dangerous Heat Continues

Locally Heavy Rain Possible Late Today

High Risk of Rip Currents

Heat Today

Heat Saturday

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 107-114°F (41-46°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.

Key Messages: Showers and storms possible this afternoon through early Saturday as disturbance moves through the region. Slight Risk (level 2 of 4) of Heavy Rainfall for areas around and north of I-10. Marginal Risk (level 1 of 4) for areas south to southwest of the Houston Metro area. Potential Impacts: Flash flooding is possible, especially in areas with saturated grounds. Frequent lightning and gusty winds. Actions: Have multiple ways to receive warnings! Remain weather-aware and check the forecast for updates!

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.

Dangerous heat is expected today. High temperatures will be around 89°-95°F (32°-35°C). Heat Index values will reach 107°-114°F (41°-46°C). A heat advisory is in effect today.

Dangerous heat is expected Saturday. High temperatures will be around 85°-93°F (30°-34°C). Heat Index values will reach 102°-109°F (39°-43°C). A heat advisory is in effect through Saturday evening.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	04:15	Overcast	7	81	78	90	SSE 7	-	29.83
College Station	03:53	Overcast	10	81	78	90		-	29.81
Caldwell	03:55	Mist	7	80	77	88	SSE 8	-	29.82
Huntsville	04:00	Mist	6	80	79	96	SSE 9	-	29.82
Navasota	04:15	Clear	10	80	80	100	SSE 7	-	29.80
Brenham	04:15	Overcast	7	81	79	95	SSE 7	-	29.80
Conroe	03:53	Mist	3	79	79	100	ESE 5	-	29.83
Cleveland	04:15	Haze	5				SSE 3	-	29.84
Liberty	04:15	Mist	3	78	80	106	SSE 5	-	29.83
Columbus	04:15	Mist	5	80	79	97	SE 6	-	29.80
Spring	04:16	Mist	5	81	78	90	SSE 5	-	29.82
Houston Intercontinental Aprt	03:53	Mist	6	82	80	93	S 6	94 [HI]	29.82
Katy/Brookshire	04:15	Mist	4	80	80	100	SE 8	-	29.82
Texas Medical Center Heliport	04:15	Mist	3	80	80	100	SE 12G17	-	29.80
Sugar Land	03:53	Overcast	9	81	79	93	SSE 7	-	29.81
Houston Hobby Airport	03:53	Mist	6	82	79	90	SSE 8	92 [HI]	29.82
Arcola/Sienna	04:15	Mist	5	81	78	90	CALM	-	29.83
Pearland	03:53	Mist	6	81	79	93	SSE 5	-	29.84
Ellington Field	03:54	Mist	5	80	80	100	SE 6	-	29.81
La Porte	03:55	Partly Cloudy	10	83	79	88	S 10	93 [HI]	29.84
Angleton/Lake Jackson	03:53	Overcast	8	82	79	90	SSE 9	92 [HI]	29.82
Galveston	03:52	Overcast	9	83	79	87	SSE 15	94 [HI]	29.84
Bay City	04:15	Partly Cloudy	10	82	82	100	SSE 6	96 [HI]	29.78
Palacios	03:53	Mist	6	84	80	87	SSE 10	97 [HI]	29.80
Rig 20 Miles SE of Galveston	04:20	Mist	4	82	78	88	SE 12G20	91 [HI]	29.85
Rig 20 Miles SE of Matagorda	04:20	Mist	6	84	84	100	SSE 10G16	104 [HI]	29.87

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