917
FPUS54 KHGX 201823
ZFPHGX
ZONE FORECAST PRODUCT FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
123 PM CDT THU AUG 20 2026
TXZ211-210200-
AUSTIN-
INCLUDING THE CITIES OF SEALY AND BELLVILLE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 100. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
107 EARLY IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 101. SOUTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 102. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP
TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TXZ237-210200-
INLAND BRAZORIA-
INCLUDING THE CITIES OF PEARLAND, ALVIN, AND ANGLETON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS
WITH ISOLATED THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE
MID 90S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 110.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE
EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 105.
TXZ196-210200-
BRAZOS-
INCLUDING THE CITIES OF COLLEGE STATION AND BRYAN
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTH WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS 100 TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TXZ195-210200-
BURLESON-
INCLUDING THE CITIES OF CALDWELL AND SOMERVILLE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 102. SOUTH WINDS
AROUND 5 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTH WINDS
5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS 100 TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES
UP TO 110.
TXZ214-210200-
CHAMBERS-
INCLUDING THE CITIES OF WINNIE, MONT BELVIEU, ANAHUAC, STOWELL,
AND OLD RIVER-WINFREE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 107 EARLY
IN THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111 EARLY IN
THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 113.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO
110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 105 EARLY
IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO
105.
TXZ210-210200-
COLORADO-
INCLUDING THE CITIES OF COLUMBUS, EAGLE LAKE, AND WEIMAR
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
MID 70S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 102. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 102. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP
TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS 100 TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
WEDNESDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES
UP TO 110.
TXZ227-210200-
FORT BEND-
INCLUDING THE CITIES OF MISSOURI CITY, MISSION BEND, SUGAR LAND,
ROSENBERG, FIRST COLONY, AND PECAN GROVE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS WITH
ISOLATED THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE UPPER
90S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 111.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. HUMID
WITH LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. CHANCE OF
RAIN 20 PERCENT. HEAT INDEX VALUES UP TO 109 EARLY IN THE
EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 100. SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO
110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. HUMID WITH LOWS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY
IN THE EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 101. SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES
UP TO 111.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ238-210200-
INLAND GALVESTON-
INCLUDING THE CITIES OF LEAGUE CITY AND FRIENDSWOOD
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS WITH
ISOLATED THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS AROUND 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 111.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN
THE EVENING.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTHWEST WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
HEAT INDEX VALUES UP TO 111.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TXZ198-210200-
GRIMES-
INCLUDING THE CITY OF NAVASOTA
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN
THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
106 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ213-210200-
INLAND HARRIS-
INCLUDING THE CITY OF HOUSTON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS WITH
ISOLATED THUNDERSTORMS. HOT WITH HIGHS AROUND 100. SOUTH WINDS
5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX VALUES UP TO
110.
TONIGHT
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS WITH ISOLATED
THUNDERSTORMS IN THE EVENING. HUMID WITH LOWS IN THE UPPER 70S.
SOUTH WINDS 5 TO 10 MPH. CHANCE OF RAIN 20 PERCENT. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 101. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT
INDEX VALUES UP TO 109 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80. HEAT INDEX VALUES
UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ163-210200-
HOUSTON-
INCLUDING THE CITY OF CROCKETT
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
AROUND 5 MPH.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HOT WITH HIGHS AROUND 103. SOUTHWEST WINDS 5 TO
10 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.
LOWS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH. CHANCE OF RAIN
40 PERCENT. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT
INDEX VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110 IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ235-210200-
INLAND JACKSON-
INCLUDING THE CITIES OF EDNA AND GANADO
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE
UPPER 90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH, DIMINISHING TO AROUND 5 MPH AFTER MIDNIGHT. HEAT INDEX
VALUES UP TO 107 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 101. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ200-210200-
NORTHERN LIBERTY-
INCLUDING THE CITIES OF LIBERTY, CLEVELAND, AND DAYTON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE MID 70S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE
EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 101. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S.
SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 101. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 114.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110 EARLY IN THE
EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ176-210200-
MADISON-
INCLUDING THE CITY OF MADISONVILLE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTHWEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. SOUTH WINDS
5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT
INDEX VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS 100 TO 105. HEAT INDEX
VALUES UP TO 110 IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110 EARLY
IN THE EVENING.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110 IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TXZ236-210200-
INLAND MATAGORDA-
INCLUDING THE CITY OF BAY CITY
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 109.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TXZ199-210200-
MONTGOMERY-
INCLUDING THE CITIES OF CONROE AND THE WOODLANDS
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 100. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 102. SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO
110.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN
THE UPPER 70S. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 102. SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES
UP TO 112.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 110 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ179-210200-
POLK-
INCLUDING THE CITIES OF LIVINGSTON AND CORRIGAN
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 100. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO
109 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 113.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ178-210200-
SAN JACINTO-
INCLUDING THE CITIES OF SHEPHERD AND COLDSPRING
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTH
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 102. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO 105 EARLY IN
THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ164-210200-
TRINITY-
INCLUDING THE CITIES OF TRINITY AND GROVETON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. HOT WITH HIGHS AROUND 103. SOUTHWEST WINDS AROUND
5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 40 PERCENT. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 111.
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO
110 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110 IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 105.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 105.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TXZ177-210200-
WALKER-
INCLUDING THE CITY OF HUNTSVILLE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS AROUND 101. SOUTH WINDS
AROUND 5 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTHWEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 70S. SOUTH WINDS
AROUND 5 MPH. CHANCE OF RAIN 30 PERCENT. HEAT INDEX VALUES UP TO
108 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 103. SOUTHWEST
WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 110.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110 IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
MONDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110 EARLY
IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 110.
TXZ212-210200-
WALLER-
INCLUDING THE CITIES OF HEMPSTEAD, PRAIRIE VIEW, BROOKSHIRE,
AND WALLER
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. HUMID WITH
LOWS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES
UP TO 107 EARLY IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 101. SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
108.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE UPPER 70S. SOUTH
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 107 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 101. SOUTH WINDS AROUND 5 MPH. HEAT INDEX VALUES UP
TO 109.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ197-210200-
WASHINGTON-
INCLUDING THE CITY OF BRENHAM
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
MOSTLY SUNNY. HOT WITH HIGHS AROUND 100. SOUTH
WINDS 5 TO 10 MPH.
TONIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 101. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN
THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 101. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TUESDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN BECOMING
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX VALUES UP TO
105 EARLY IN THE EVENING.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TXZ226-210200-
WHARTON-
INCLUDING THE CITIES OF EL CAMPO AND WHARTON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE
UPPER 90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. HUMID WITH LOWS IN THE MID
70S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 105 EARLY
IN THE EVENING.
FRIDAY
PATCHY FOG IN THE MORNING. MOSTLY SUNNY. HOT WITH HIGHS
AROUND 100. SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO
109.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. PATCHY FOG AFTER MIDNIGHT. HUMID WITH LOWS IN THE MID
70S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 108 EARLY
IN THE EVENING.
SATURDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HOT WITH
HIGHS AROUND 101. SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES
UP TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS AROUND 100. HEAT INDEX VALUES UP
TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S. HEAT
INDEX VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 70S.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
TXZ300-210200-
SOUTHERN LIBERTY-
INCLUDING THE CITY OF DEVERS
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 110.
TONIGHT
MOSTLY CLEAR. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 108 EARLY IN
THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 112 EARLY IN
THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS AROUND 5 MPH. HEAT INDEX VALUES UP TO 112.
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.
LOWS IN THE UPPER 70S. HEAT INDEX VALUES UP TO 110 EARLY IN THE
EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. LOWS IN THE UPPER 70S.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT
INDEX VALUES UP TO 105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
WEDNESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT
INDEX VALUES UP TO 105.
TXZ313-210200-
COASTAL HARRIS-
INCLUDING THE CITIES OF PASADENA AND BAYTOWN
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY WITH A SLIGHT CHANCE OF SHOWERS WITH
ISOLATED THUNDERSTORMS. HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS 10 TO 15 MPH. CHANCE OF RAIN 20 PERCENT. HEAT
INDEX VALUES UP TO 112.
TONIGHT
PARTLY CLOUDY. HUMID WITH LOWS AROUND 80. SOUTHWEST
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE
EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS AROUND 80. SOUTHWEST WINDS 10 TO 15 MPH.
HEAT INDEX VALUES UP TO 111 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS AROUND 99. SOUTHWEST
WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE AFTERNOON. HEAT INDEX
VALUES UP TO 112.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80. HEAT INDEX VALUES
UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80. HEAT INDEX VALUES
UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. HEAT
INDEX VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80. HEAT INDEX VALUES
UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TXZ338-210200-
COASTAL GALVESTON-
INCLUDING THE CITIES OF TEXAS CITY, DICKINSON, AND LA MARQUE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 90S.
SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 112.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS AROUND 80. SOUTHWEST WINDS 10 TO 15 MPH.
HEAT INDEX VALUES UP TO 106 EARLY.
FRIDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. SOUTHWEST WINDS
5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON. HEAT
INDEX VALUES UP TO 113.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH. HEAT INDEX VALUES UP TO 109 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. WEST
WINDS 5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.
HEAT INDEX VALUES UP TO 112.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 110 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
MONDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO
110.
TXZ337-210200-
COASTAL BRAZORIA-
INCLUDING THE CITIES OF LAKE JACKSON, FREEPORT, AND CLUTE
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. SOUTHWEST
WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN
THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 110.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
MONDAY
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO
110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP
TO 105.
TXZ336-210200-
COASTAL MATAGORDA-
INCLUDING THE CITY OF PALACIOS
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.
TONIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S. SOUTH
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106 EARLY.
FRIDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS AROUND 80. SOUTH
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106 EARLY IN THE
EVENING.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE MID 90S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
SUNDAY
SUNNY. HIGHS IN THE MID 90S. HEAT INDEX VALUES UP TO
105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80.
MONDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 80.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP
TO 105.
TXZ335-210200-
COASTAL JACKSON-
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY, HOT. NEAR STEADY TEMPERATURE IN THE MID
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS AROUND 80. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE MID 90S. SOUTH
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 110.
FRIDAY NIGHT
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY
CLOUDY. HUMID WITH LOWS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH. HEAT INDEX VALUES UP TO 105 EARLY IN THE EVENING.
SATURDAY
MOSTLY SUNNY. HOT WITH HIGHS IN THE UPPER 90S.
SOUTHWEST WINDS 5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 107.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S.
SUNDAY
SUNNY, HOT WITH HIGHS IN THE UPPER 90S. HEAT INDEX
VALUES UP TO 105.
SUNDAY NIGHT
CLEAR. LOWS IN THE UPPER 70S.
MONDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX VALUES
UP TO 110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
TUESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 70S. HEAT INDEX
VALUES UP TO 105 EARLY IN THE EVENING.
WEDNESDAY
SUNNY, HOT WITH HIGHS IN THE MID 90S. HEAT INDEX
VALUES UP TO 110.
TXZ436-210200-
MATAGORDA ISLANDS-
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER
80S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106.
TONIGHT
PARTLY CLOUDY. HUMID. NEAR STEADY TEMPERATURE IN THE
MID 80S. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S.
SOUTH WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE UPPER 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 105.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
SUNDAY
SUNNY. HIGHS IN THE UPPER 80S.
SUNDAY NIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE IN THE MID
80S.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S.
MONDAY NIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE IN THE MID
80S.
TUESDAY
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
TUESDAY NIGHT
MOSTLY CLEAR. NEAR STEADY TEMPERATURE IN THE MID
80S.
WEDNESDAY
SUNNY. NEAR STEADY TEMPERATURE IN THE MID 80S.
TXZ437-210200-
BRAZORIA ISLANDS-
INCLUDING THE CITY OF SURFSIDE BEACH
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER
80S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 107.
TONIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S. SOUTH
WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY SUNNY. HUMID WITH HIGHS AROUND 90. SOUTHWEST
WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 107.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S.
SOUTHWEST WINDS 5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 107.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
SUNDAY
SUNNY. HIGHS AROUND 90. HEAT INDEX VALUES UP TO 105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
MONDAY
SUNNY. HIGHS AROUND 90. HEAT INDEX VALUES UP TO 105.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
TUESDAY
SUNNY. HIGHS AROUND 90.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
WEDNESDAY
SUNNY. HIGHS AROUND 90.
TXZ438-210200-
GALVESTON ISLAND-
INCLUDING THE CITY OF GALVESTON
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 108.
TONIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE MID 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106 EARLY.
FRIDAY
SUNNY WITH HIGHS IN THE LOWER 90S. SOUTHWEST WINDS
AROUND 10 MPH, BECOMING SOUTH IN THE AFTERNOON. HEAT INDEX VALUES
UP TO 109.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 106 EARLY.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S. WEST
WINDS 5 TO 10 MPH, BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON.
HEAT INDEX VALUES UP TO 108.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S. HEAT INDEX
VALUES UP TO 105 EARLY.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
105.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S.
MONDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 80S.
TUESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
105.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 80S.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP
TO 105.
TXZ439-210200-
BOLIVAR PENINSULA-
123 PM CDT THU AUG 20 2026
..HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY
THIS AFTERNOON
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER
90S. SOUTH WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 109.
TONIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 105 EARLY.
FRIDAY
SUNNY WITH HIGHS IN THE LOWER 90S. WEST WINDS 5 TO
10 MPH, BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON. HEAT
INDEX VALUES UP TO 111.
FRIDAY NIGHT
PARTLY CLOUDY. HUMID WITH LOWS IN THE LOWER 80S.
SOUTHWEST WINDS 10 TO 15 MPH. HEAT INDEX VALUES UP TO 107 EARLY.
SATURDAY
MOSTLY SUNNY. HUMID WITH HIGHS IN THE LOWER 90S. WEST
WINDS 5 TO 10 MPH, BECOMING SOUTHWEST 10 TO 15 MPH IN THE
AFTERNOON. HEAT INDEX VALUES UP TO 111.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S. HEAT INDEX
VALUES UP TO 105 EARLY.
SUNDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
110.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S. HEAT INDEX
VALUES UP TO 105 EARLY.
MONDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP TO
110.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S. HEAT INDEX
VALUES UP TO 105 EARLY.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX
VALUES UP TO 110.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 80S. HEAT INDEX
VALUES UP TO 105 EARLY.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 90S. HEAT INDEX VALUES UP
TO 105.
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