NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Tue, Aug 25, 2026 at 1:20:29 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	00:35	Clear	10	85	68	58	S 12G20	-	30.00
College Station	00:53	Clear	10	83	70	65	S 10	-	29.98
Caldwell	00:35	Clear	10	84	69	62	S 12	-	30.00
Huntsville	00:53	Clear	10	84	72	67	SSW 13	-	30.00
Navasota	00:55	Clear	10	81	79	92	SSW 12	-	29.97
Brenham	00:55	Partly Cloudy	10	82	72	73	SSW 9	-	29.99
Conroe	00:53	Clear	10	84	75	74	SSW 12	92 [HI]	30.00
Cleveland	00:55	Clear	10				S 3	-	30.01
Liberty	00:55	Clear	10	78	78	100	SSW 5	-	29.98
Columbus	00:55	Clear	10	79	76	90	CALM	-	30.02
Spring	00:53	Clear	10	82	76	81	SSW 6	-	30.00
Houston Intercontinental Aprt	00:53	Mostly Clear	10	84	77	79	SSW 6	94 [HI]	30.00
Katy/Brookshire	00:55	Clear	10	80	78	94	SW 8	-	30.02
Texas Medical Center Heliport	00:55	Clear	10	82	77	83	VRB 7	-	29.99
Sugar Land	00:53	Clear	10	83	77	82	SSW 7	92 [HI]	29.99
Houston Hobby Airport	00:53	Mostly Clear	9	81	77	87	SSW 8	-	29.99
Arcola/Sienna	00:55	Clear	10	80	77	90	CALM	-	30.01
Pearland	00:53	Clear	10	81	77	87	CALM	-	30.01
Ellington Field	00:54	Clear	10	82	77	83	S 5	-	29.99
La Porte	00:55	Clear	10	82	77	83	SW 7	-	30.01
Wharton	00:55	Clear	10	79	76	90	S 5	-	30.02
Angleton/Lake Jackson	00:53	Clear	10	80	77	90	SSW 7	-	30.00
Galveston	00:52	Clear	10	85	76	74	SSW 12	94 [HI]	30.00
Bay City	00:55	Clear	10	80	80	100	S 8	-	29.96
Palacios	00:53							-	30.00
Rig 20 Miles SE of Matagorda	01:00		10	86	78	79	S 16	98 [HI]	30.05

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