Houston/Galveston, TX

Weather Forecast Office

NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, May 19, 2026 at 11:24:14 pm CDT

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Heavy Rain Possible Tonight - Wednesday

Severe Thunderstorms Tonight

Additional Rainfall Starting Thursday

Forecast Rainfall Totals

High Risk of Rip Currents

Current radar loop for Houston, TX.

Showers and thunderstorms expected tonight into Wednesday morning. Locally heavy rainfall of 1-3 inches is expected and localized flooding is possible.

Scattered thunderstorms possible north of I-10 this afternoon. Line of thunderstorms to push through the region from north to south overnight into early Wednesday morning. Some uncertainty regarding if the storms will weaken or not before reaching the coast. Damaging winds are the main severe threat. Hail will also be possible.

Unsettled pattern will lead to continued high chances for showers and thunderstorms, with additional rounds of moderate to heavy rainfall starting Thursday. This rainfall will generate runoff and river responses, especially where we see repeated heavy rainfall over the same locations.

Multiple rounds of rain and thunderstorms are expected through this weekend. Highest forecast rainfall totals expected this weekend.

There is a high risk of rip currents along all Gulf facing beaches through Wednesday evening. Stay away from rocks and swim near a life guard.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Crockett	01:35	Rain \ Mist \ Lightning Observed	3	66	66	100	CALM	-	30.09
Caldwell	22:55	Rain With Thunder \ Lightning Observed	10	68	64	88	ESE 7G24	-	30.07
College Station	22:53	Lightning Observed	10	70	63	78	E 14G30	-	30.05
Huntsville	22:53	Clear	10	68	63	83	E 12G22	-	30.06
Navasota	22:55	Lightning Observed						-
Conroe	22:53	Lightning Observed	10	67	64	90	VRB 7	-	30.07
Hooks Airport	22:53	Lightning Observed	10	67	65	93	ENE 8G22	-	30.08
Intercontinental Airport	22:53	Cumulonimbus Clouds Observed	7	68	65	89	NE 14G22	-	30.09
Houston Hobby Airport	22:53	Heavy Rain \ Mist \ Cumulonimbus Clouds, Lightning Observed	2	68	66	93	NE 24G36	-	30.08
Sugar Land	22:53	Thunder In The Vicinity \ Light Rain	10	71	66	84	NE 26G41	-	30.07
Wharton	22:55	Overcast	10	80	76	88	E 6	-	30.05
Pearland	22:53	Light Rain \ Lightning Observed	10	70	65	84	NE 23G36	-	30.11
Ellington Field	21:54	Mostly Cloudy	8	80	77	88	SSE 8	-	30.02
La Porte	22:55	Heavy Rain With Thunder \ Mist \ Lightning Observed	3 1/2	68	66	94	NE 15G32	-	30.10
Angleton/Lake Jackson	22:53	Overcast	9	80	77	90	ESE 7	-	30.03
Galveston	22:52	Lightning Observed	10	80	77	90	ESE 8	-	30.05
Bay City	22:55	Lightning Observed	10	80	80	100	ESE 8	-	29.98
Palacios	22:53	Overcast	9	81	78	90		-	30.00
Rig 20 Miles SE of Galveston	22:55	Mist	4	78	77	94	ESE 13	-	30.05
Rig 20 Miles SE of Matagorda	23:00	Mist	4	78	78	100	CALM	-	30.06

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