Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Houston/Galveston, TX

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547
FNUS54 KHGX 181038
FWFHGX

Fire Weather Planning Forecast for Southeast Texas
National Weather Service Houston/Galveston TX
538 AM CDT Mon Aug 18 2025

.DISCUSSION...

Look for chances of scattered showers and thunderstorms on a
daily basis for much of the upcoming week. With a weak pressure
gradient in place, wind speeds will be light and from variable
directions over the next several days. Afternoon minimum RH values
are expected to be 40 to 45 percent inland, above 50 percent near the coast.


TXZ163-164-177-182130-
Houston-Trinity-Walker-
Including the cities of Crockett, Groveton, Huntsville,
and Trinity
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     40           20           30
Chance of Thunder (%) 40           20           30
Temp (24h trend)      97 (-1)      74 (-2)      97
RH % (24h trend)      42 (-2)      93 (0)       43
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Max/Min Mix Hgt(m)    2790                      2940
Max/Min Mix Hgt(ft)   9150                      9660
Transport Wnd (kts)   NE  5                     NE 10
Transport Wnd (m/s)   NE  3                     NE  5
Vent Rate (m/s-m)     8370                      14700
Category Day          4                         4
Sunshine Hours        10                        8

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ176-195>198-182130-
Brazos-Burleson-Grimes-Madison-Washington-
Including the cities of Brenham, Bryan, Caldwell,
College Station, Madisonville, Navasota, and Somerville
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     30           30           40
Chance of Thunder (%) 30           30           40
Temp (24h trend)      98 (0)       75 (0)       97
RH % (24h trend)      39 (-6)      94 (-1)      42
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      N  5
Max/Min Mix Hgt(m)    2810                      2940
Max/Min Mix Hgt(ft)   9220                      9640
Transport Wnd (kts)   E  5                      NE  9
Transport Wnd (m/s)   E  3                      NE  5
Vent Rate (m/s-m)     8430                      14700
Category Day          4                         4
Sunshine Hours        9                         8

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ178-179-199-200-182130-
Montgomery-Northern Liberty-Polk-San Jacinto-
Including the cities of Cleveland, Coldspring, Conroe, Corrigan,
Dayton, Liberty, Livingston, Shepherd, and The Woodlands
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     40           30           50
Chance of Thunder (%) 40           30           50
Temp (24h trend)      97 (0)       74 (-2)      97
RH % (24h trend)      44 (-2)      95 (+1)      45
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Max/Min Mix Hgt(m)    2700                      2710
Max/Min Mix Hgt(ft)   8870                      8900
Transport Wnd (kts)   NE  5                     NE  8
Transport Wnd (m/s)   NE  3                     NE  4
Vent Rate (m/s-m)     8100                      10840
Category Day          4                         4
Sunshine Hours        9                         8

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ212-213-227-237-238-182130-
Fort Bend-Inland Brazoria-Inland Galveston-Inland Harris-Waller-
Including the cities of Alvin, Angleton, Brookshire,
First Colony, Friendswood, Hempstead, Houston, League City,
Mission Bend, Missouri City, Pearland, Pecan Grove, Prairie View,
Rosenberg, Sugar Land, and Waller
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     30           30           60
Chance of Thunder (%) 30           30           60
Temp (24h trend)      98 (0)       75 (-2)      97
RH % (24h trend)      43 (-6)      93 (-1)      45
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Max/Min Mix Hgt(m)    2590                      2690
Max/Min Mix Hgt(ft)   8510                      8840
Transport Wnd (kts)   E  5                      NE  7
Transport Wnd (m/s)   E  3                      NE  4
Vent Rate (m/s-m)     7770                      10760
Category Day          3                         4
Sunshine Hours        9                         7

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ210-211-226-235-236-182130-
Austin-Colorado-Inland Jackson-Inland Matagorda-Wharton-
Including the cities of Bay City, Bellville, Columbus,
Eagle Lake, Edna, El Campo, Ganado, Sealy, Weimar, and Wharton
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     20           20           50
Chance of Thunder (%) 20           20           50
Temp (24h trend)      99 (+2)      75 (-1)      97
RH % (24h trend)      39 (-8)      95 (-2)      45
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Max/Min Mix Hgt(m)    2750                      2580
Max/Min Mix Hgt(ft)   9010                      8470
Transport Wnd (kts)   E  6                      NE  8
Transport Wnd (m/s)   E  3                      NE  4
Vent Rate (m/s-m)     8250                      10320
Category Day          4                         4
Sunshine Hours        9                         7

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ214-300-313-338-438-439-182130-
Bolivar Peninsula-Chambers-Coastal Galveston-Coastal Harris-
Galveston Island-Southern Liberty-
Including the cities of Anahuac, Baytown, Devers, Dickinson,
Galveston, La Marque, Mont Belvieu, Old River-Winfree, Pasadena,
Stowell, Texas City, and Winnie
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     40           40           50
Chance of Thunder (%) 40           40           50
Temp (24h trend)      97 (+1)      74 (-4)      95
RH % (24h trend)      49 (-2)      94 (0)       52
Wind 20ft/early(mph)  Lgt/Var      N  5         Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Max/Min Mix Hgt(m)    2200                      2230
Max/Min Mix Hgt(ft)   7220                      7310
Transport Wnd (kts)   NE  4                     E  6
Transport Wnd (m/s)   NE  2                     E  3
Vent Rate (m/s-m)     4400                      6690
Category Day          3                         3
Sunshine Hours        9                         7

Remarks...

Fog Potential (First 24 Hours)...Low

$$

TXZ335>337-436-437-182130-
Brazoria Islands-Coastal Brazoria-Coastal Jackson-
Coastal Matagorda-Matagorda Islands-
Including the cities of Clute, Freeport, Lake Jackson, Palacios,
and Surfside Beach
538 AM CDT Mon Aug 18 2025

                      Today        Tonight      Tue

Cloud Cover           Mclear       Mclear       Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     20           30           60
Chance of Thunder (%) 20           20           60
Temp (24h trend)      96 (+3)      76 (-3)      95
RH % (24h trend)      51 (-8)      94 (+1)      54
Wind 20ft/early(mph)  Lgt/Var      N  5         Lgt/Var
Wind 20ft/late(mph)   N  7         Lgt/Var      N  6
Max/Min Mix Hgt(m)    2150                      2010
Max/Min Mix Hgt(ft)   7050                      6580
Transport Wnd (kts)   E  6                      NE  5
Transport Wnd (m/s)   E  3                      NE  3
Vent Rate (m/s-m)     6450                      6030
Category Day          3                         3
Sunshine Hours        10                        7

Remarks...

Fog Potential (First 24 Hours)...Low

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the upper 70s. Highs in the lower 90s.
North winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 70s. Highs in the lower 90s. North winds around
5 mph.
.FRIDAY...Mostly cloudy. Showers and thunderstorms likely. Lows
in the upper 70s. Highs around 90. North winds around 5 mph.
.SATURDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 70s. Highs around 90. North winds around 5 mph.
.SUNDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows in the upper 70s. Highs in the lower 90s. North winds around
5 mph.

$$