NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Sun, Jun 21, 2026 at 8:24:18 pm CDT

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Tonight's Outlook

Hot Week Ahead

Scattered to numerous showers and thunderstorms this morning through the afternoon. High temperatures in the low to mid 90s.

This week is Lightning Safety Awareness Week. The best way to minimize your risk of being struck by lighting is to stay informed and plan ahead. When outside, know where your safe place is, so that you can quickly take shelter if a thunderstorm threatens. Visit this webpage for more information: https://www.weather.gov/safety/lightning-safety-overview

Forecast lows for tonight are in the upper 70s to low 80s. Conditions will be warm, humid, and partly cloudy.

Summer heat is expected over southeast Texas through the next seven days. Highs will reach 87°-96°F (31°-36°C). The afternoon heat index will reach 100°-110°F (38°-43°C). Lows early in the morning will be around 73°-85°F (23°-29°C). Heat safety should be practiced. Stay hydrated. Reduce time outdoors between 10 am – 6 pm. Check on elderly, kids and pets, as they are all sensitive to heat. Wear light-weight, light-colored clothing.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	19:55	Partly Cloudy	10	87	77	72	S 9	99 [HI]	29.82
College Station	19:53	Clear	10	87	77	72	S 9	99 [HI]	29.80
Caldwell	19:35	Partly Cloudy	10	86	77	74	S 10	97 [HI]	29.80
Huntsville	19:53	Mostly Cloudy	10	87	77	72	S 9	99 [HI]	29.82
Navasota	19:55	Partly Cloudy	10	86	83	88	S 9	107 [HI]	29.79
Brenham	19:55	Partly Cloudy	10	86	77	74	S 10G18	98 [HI]	29.80
Conroe	19:53	Mostly Cloudy	10	85	78	80	SE 8	97 [HI]	29.83
Cleveland	19:55	Mostly Cloudy	10				SSE 6	-	29.86
Liberty	19:55	Mostly Clear	10	82	78	88	S 7G13	91 [HI]	29.84
Columbus	19:55	Clear	10	84	78	82	S 7	96 [HI]	29.82
Spring	19:53	Mostly Cloudy	8	85	77	77		-	29.82
Houston Intercontinental Aprt	19:53	Mostly Cloudy	10	86	77	74	SSE 12G20	97 [HI]	29.83
Katy/Brookshire	13:35	Haze	4					-
Texas Medical Center Heliport	19:55	Mostly Cloudy	10	84	77	79	S 14G23	94 [HI]	29.82
Sugar Land	19:53	Overcast	10	84	78	82	S 14	95 [HI]	29.82
Houston Hobby Airport	19:53	Mostly Cloudy	10	85	77	77	S 15	95 [HI]	29.83
Arcola/Sienna	19:55	Clear	10	84	76	75	S 7	93 [HI]	29.84
Pearland	19:53	Overcast	8	85	77	77	S 10	95 [HI]	29.85
Ellington Field	19:54	Mostly Cloudy	10	84	77	79	SSE 16	94 [HI]	29.83
La Porte	19:55	Overcast	10	84	77	79	S 12	94 [HI]	29.85
Angleton/Lake Jackson	19:53	Partly Cloudy	10	83	78	85	S 15	93 [HI]	29.83
Galveston	19:52	Partly Cloudy	10	84	78	82	S 14	95 [HI]	29.85
Bay City	19:55	Mostly Clear	7	83	83	100	SSE 10	101 [HI]	29.80
Palacios	19:53	Overcast	7	84	80	87	SSE 12	97 [HI]	29.82
Rig 20 Miles SE of Galveston	01:35	Mist	4	84	80	88	ESE 9	97 [HI]	29.88
Rig 20 Miles SE of Matagorda	20:00	Partly Cloudy	8	84	84	100	SSE 18G26	104 [HI]	29.87

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