Houston/Galveston, TX

Weather Forecast Office

NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Fri, Jun 19, 2026 at 5:46:28 pm CDT

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Radar

Dangerous Heat Continues

Locally Heavy Rain Possible Later Today

Strong Storms Possible Today

High Risk of Rip Currents

Heat Today

Heat Saturday

Current radar for the Southern Plains.

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 108-112°F (42-44°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.

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!

Showers and thunderstorms are expected this afternoon through Saturday morning. A few storms may become strong to severe. Marginal Risk (level 1 of 5) of severe weather for most areas north of I-10. Damaging winds and locally heavy rainfall are the primary threats.

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	17:15	Light Rain \ Lightning Observed	2	79	76	90	ENE 10	-	29.92
College Station	16:53	Lightning Observed	10	88	77	70	VRB 6	100 [HI]	29.88
Caldwell	16:55	Lightning Observed	10	89	75	62	E 9	99 [HI]	29.88
Huntsville	16:53	Thunder In The Vicinity \ Lightning Observed	8	75	73	93	ENE 17G26	-	29.91
Navasota	17:15	Light Rain \ Thunder In The Vicinity	8	78	78	100	SSE 9	-	29.89
Brenham	17:15	Thunder In The Vicinity \ Lightning Observed	10	78	75	89	E 6	-	29.88
Conroe	17:11	Thunder In The Vicinity \ Lightning Observed	10	85	76	74	NNE 9G20	94 [HI]	29.90
Cleveland	17:15	Thunder In The Vicinity \ Lightning Observed	10				CALM	-	29.90
Liberty	17:15	Thunder In The Vicinity \ Lightning Observed	8	86	82	89	CALM	104 [HI]	29.87
Columbus	17:15	Lightning Observed	10	79	77	93	CALM	-	29.89
Spring	16:53	Rain With Thunder \ Mist \ Lightning Observed	3/4	79	77	93	WNW 6	-	29.89
Houston Intercontinental Aprt	16:53	Light Rain \ Cumulonimbus Clouds, Towering Cumulus Clouds Observed	10	83	75	77	NE 9	-	29.87
Katy/Brookshire	17:15	Overcast	7	80	71	74	NNE 9	-	29.90
Texas Medical Center Heliport	17:15	Thunder In The Vicinity \ Lightning Observed	7	89	78	70	S 14	103 [HI]	29.86
Sugar Land	16:53	Lightning Observed	10	89	79	72	SSW 7	105 [HI]	29.86
Houston Hobby Airport	16:53	Cumulonimbus Clouds, Lightning Observed	10	91	79	67	S 13	108 [HI]	29.86
Arcola/Sienna	17:15	Thunder In The Vicinity \ Lightning Observed	7	89	78	70	SSE 6	103 [HI]	29.88
Pearland	16:53	Lightning Observed	8	90	79	70	S 10	106 [HI]	29.88
Ellington Field	16:54	Mostly Cloudy	8	89	78	70	SSE 8	103 [HI]	29.85
La Porte	17:15	Lightning Observed	10	87	80	79	SE 13	103 [HI]	29.88
Angleton/Lake Jackson	17:01	Mostly Cloudy	10	88	80	77	SSE 9	105 [HI]	29.88
Galveston	16:52	Clear	10	87	81	82	SE 15	105 [HI]	29.88
Bay City	17:15	Mostly Clear	10	89	85	89	SSE 8	116 [HI]	29.83
Palacios	16:53	Light Rain	6	90	80	72	SE 10	108 [HI]	29.85
Rig 20 Miles SE of Galveston	17:20	Haze	3	84	80	88	ESE 12	97 [HI]	29.90
Rig 20 Miles SE of Matagorda	17:20	Mist	6	86	86	100	CALM	112 [HI]	29.91

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