NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, Aug 25, 2026 at 12:50:29 am CDT

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Extreme Heat Warning

Heat Advisory

Tonight's Outlook

Tuesday's Oulook

Tuesday Night’s Outlook

The Outlook Ahead

Partial Lunar Eclipse

A Heat Advisory remains in effect for peak heat index readings between 106°-109°F until 7 PM Tuesday. This advisory may need to be extended later in the week.

Warm conditions to continue with light southwest winds and lows in the mid 70s to lower 80s.

Another hot day is expected on Tuesday with highs in the upper 90s and low 100s. Heat Advisory remains in effect.

Warm and humid with light southwest. Nighttime lows will be mainly in the upper 70s to lower 80s. Some lower clouds and isolated patch fog is possible near sunrise.

Hot and humid conditions continue with high temperatures mostly in the upper 90s to triple digits. Max Heat indices are expected to reach 106-112 degrees each day. Isolated to scattered showers and storms are expected during the second half of the week. Please continue to practice heat safety by checking on the elderly, children, and pets, staying cool and hydrated, and wearing light-weight, light-colored clothing.

Save the date for the Partial Lunar Eclipse, happening on August 27-28! You will be able to view the eclipse right here in SE TX with your own eyes, no eclipse glasses needed :) Look for the bright and shadowed parts of the moon, along with a copper/orange tint 🌕🌖🌗🌘

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Bryan	00:15	Clear	10	85	69	58	S 9	-	30.00
College Station	23:53	Clear	10	85	68	57	S 10	-	29.99
Caldwell	00:15	Clear	10	84	68	58	S 13G20	-	30.00
Huntsville	23:53	Clear	10	86	74	67	S 9G20	94 [HI]	29.99
Navasota	00:35	Clear	10	82	78	89	SSW 13	91 [HI]	29.98
Brenham	00:35	Thunder	10	82	72	70	SSW 10	-	29.99
Conroe	23:53	Clear	10	85	72	65	S 8	91 [HI]	30.01
Cleveland	00:35	Clear	10				CALM	-	30.01
Liberty	00:35	Clear	10	78	78	100	CALM	-	29.99
Columbus	00:35	Clear	10	80	76	89	S 3	-	30.03
Spring	23:53	Clear	10	83	76	79	SSW 12G24	91 [HI]	30.00
Houston Intercontinental Aprt	23:53	Mostly Clear	10	84	76	76	S 8	93 [HI]	30.00
Katy/Brookshire	00:35	Clear	10	82	78	88	SW 10	91 [HI]	30.02
Texas Medical Center Heliport	00:35	Clear	10	82	77	83	SW 9G17	-	29.99
Sugar Land	23:53	Clear	10	84	77	79	S 9	94 [HI]	30.01
Houston Hobby Airport	23:53	Mostly Clear	10	82	77	84	SSW 12	-	30.00
Arcola/Sienna	00:35	Clear	10	80	77	89	CALM	-	30.02
Pearland	23:53	Clear	10	82	77	84	SSW 5	-	30.02
Ellington Field	23:54	Clear	10	82	77	83	S 5	-	29.99
La Porte	00:35	Partly Cloudy	10	82	77	83	SW 6	-	30.02
Wharton	00:35	Clear	10	79	76	90	S 6	-	30.02
Angleton/Lake Jackson	23:53	Clear	10	81	77	87	SSW 5	-	30.02
Galveston	23:52	Clear	10	85	78	80	S 16	97 [HI]	30.01
Bay City	00:35	Clear	10	80	80	100	SSE 6	-	29.97
Palacios	23:53							-	30.02
Rig 20 Miles SE of Matagorda	00:40		10	86	80	84	SSE 14	101 [HI]	30.06

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