NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Thu, Nov 20, 2025 at 6:58:31 pm CST

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Flood Watch

Tonight's Heavy Rain Potential

Thursday Night's Outlook

Friday's Outlook

Extended Weather Outlook

Heavy Rain Late Sun/Mon

Things are beginning to come a little more into focus with rain potential along a cold front making its way in on Friday. Confidence is increasing in the heavy rain threat focusing mainly north and west of our area, though some portions of Southeast Texas can't yet rule out isolated issues if a stronger storm occurs over a spot vulnerable to flooding. The front will be weakening as if moves towards the coast, and the heavy rain threat will begin to wane as it moves through the area.

Scattered showers/storms over portions of the Brazos Valley/Piney Woods overnight. Locally heavy rainfall possible. Patchy fog possible near and south of I-10 during the late night to early morning hours. Lows 65-70°.

Near record high temperatures again around and south of the Houston metro area with highs in the low to mid 80s. Scattered showers/storms mainly north of I-10 as a weak cold front approaches. Low temperatures range from the upper 50s to upper 60s as the cold front begins to push in overnight. Shower/storm chances continue overnight along the front.

Near record high temperatures through the end of the work week. Shower/storm chances increasing late Thursday into Friday as a frontal boundary begins to push into the region. Frontal boundary stalls and lingers over the weekend leading to persistent rain chances.

Scattered showers and thunderstorms are expected late Sunday into Monday night as another disturbance and associated cold front pushes through Southeast TX. Locally heavy rainfall could lead to instances of minor street flooding. Marginal Risk (level 1 of 4) of Excessive Rainfall for the Brazos Valley/Piney Woods for late Sunday. Slight Risk (level 2 of 4) of Excessive Rainfall for portions of the Piney Woods and a Marginal Risk (level 1 of 4) for the remainder of Southeast Texas for Monday/Monday night.

Current Weather Observations...

Location	Time (CST)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Crockett	18:15	Mostly Clear	10	77	69	78	SSE 6G12	-	29.91
Caldwell	18:15	Clear	10				SSE 14G20	-	29.89
College Station	17:53	Clear	10	78	62	57	SSE 9	-	29.88
Huntsville	17:53	Mostly Cloudy	10	79	68	69	SSE 8	-	29.91
Brenham	18:35	Lightning Observed	10	78	62	58	SSE 8	-	29.91
Navasota	18:35	Clear	10	77	66	68	SSE 12	-	29.90
Conroe	18:20	Overcast	10	76	69	79	SSE 14G22	-	29.94
Cleveland	18:35	Overcast	10	75	67	76	S 5	-	29.96
Hooks Airport	17:53	Mostly Clear	10	78	67	68	SSE 7	-	29.92
Intercontinental Airport	17:53	Partly Cloudy	10	76	71	84	SE 14	-	29.92
Houston Hobby Airport	17:53	Mostly Cloudy	10	76	71	84	SSE 8	-	29.93
Sugar Land	17:53	Mostly Cloudy	10	78	67	68	S 12	-	29.92
Wharton	18:35	Partly Cloudy	10	71	66	83	SE 6	-	29.95
Ellington Field	17:54	Partly Cloudy	10	75	69	83	SE 12	-	29.92
La Porte	18:15	Overcast	10	75	71	88	SSE 13	-	29.95
Angleton/Lake Jackson	17:53	Mostly Cloudy	10	76	70	81	SSE 9	-	29.93
Galveston	17:52	Overcast	10	72	70	93	SSE 10	-	29.95
Bay City	18:35	Clear	10	72	72	100	SE 6	-	29.91
Palacios	17:53	Clear	10	76	71	84	SSE 8	-	29.92
Rig 20 Miles SE of Galveston	18:15	Overcast	10	75	71	88		-	29.96
Rig 20 Miles SE of Matagorda	18:15		10	75	75	100	SSE 6	-	29.97

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