000
FNUS54 KHGX 182025
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
325 PM CDT MON MAY 18 2026
DISCUSSION
GUSTY SOUTHEAST WINDS IN THE 15 TO 25 MPH RANGE ARE EXPECTED FOR
MOST OF THE REGION THROUGH EARLY THIS EVENING. ANOTHER BREEZY DAY
IS EXPECTED ON TUESDAY WITH GUSTS IN THE 15 TO 20 MPH RANGE.
MINIMUM AFTERNOON RH VALUES ARE EXPECTED TO BE IN THE 50 TO 70
PERCENT RANGE THROUGHOUT MOST OF THE WEEK. ISOLATED TO WIDELY
SCATTERED SHOWERS AND STORMS POSSIBLE THROUGHOUT THE DAY, FOLLOWED
BY HIGHER CHANCES OF SHOWERS AND STORMS TUESDAY AND BEYOND.
TXZ163-164-190915-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 40 60 90
CHANCE OF THUNDER (%) 0 40 50 50
TEMP (24H TREND) 75 (-1) 90 (+2) 70 83
RH % (24H TREND) 94 (+2) 57 (-6) 100 78
WIND 20FT/EARLY(MPH) SE 12 S 6 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 6 S 8 G17 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1470 660
MAX/MIN MIX HGT(FT) 4820 2180
TRANSPORT WND (KTS) S 14 SE 6
TRANSPORT WND (M/S) S 7 SE 3
VENT RATE (M/S-M) 10290 1980
CATEGORY DAY 4 1
SUNSHINE HOURS 5 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-195>198-190915-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 90
CHANCE OF THUNDER (%) 0 30 50 50
TEMP (24H TREND) 76 (-1) 88 (-1) 72 83
RH % (24H TREND) 90 (-2) 61 (-1) 98 77
WIND 20FT/EARLY(MPH) SE 14 S 10 G17 SE 6 LGT/VAR
WIND 20FT/LATE(MPH) S 9 G17 SE 11 SE 5 LGT/VAR
MAX/MIN MIX HGT(M) 1510 1080
MAX/MIN MIX HGT(FT) 4940 3530
TRANSPORT WND (KTS) S 15 SE 9
TRANSPORT WND (M/S) S 8 SE 5
VENT RATE (M/S-M) 12080 5400
CATEGORY DAY 4 3
SUNSHINE HOURS 5 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-190915-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 90
CHANCE OF THUNDER (%) 0 30 50 50
TEMP (24H TREND) 76 (-1) 90 (+1) 73 86
RH % (24H TREND) 90 (-1) 57 (-9) 97 75
WIND 20FT/EARLY(MPH) SE 11 G19 SE 7 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 6 S 9 G18 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1520 900
MAX/MIN MIX HGT(FT) 4980 2960
TRANSPORT WND (KTS) S 14 S 7
TRANSPORT WND (M/S) S 7 S 4
VENT RATE (M/S-M) 10640 3600
CATEGORY DAY 4 2
SUNSHINE HOURS 5 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-190915-
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
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50 70
CHANCE OF THUNDER (%) 0 20 50 50
TEMP (24H TREND) 77 (-1) 90 (+1) 75 87
RH % (24H TREND) 91 (0) 59 (-7) 94 69
WIND 20FT/EARLY(MPH) SE 13 G20 SE 10 G18 SE 7 LGT/VAR
WIND 20FT/LATE(MPH) SE 9 G17 SE 13 LGT/VAR SE 6
MAX/MIN MIX HGT(M) 1440 1050
MAX/MIN MIX HGT(FT) 4730 3450
TRANSPORT WND (KTS) S 15 SE 9
TRANSPORT WND (M/S) S 8 SE 5
VENT RATE (M/S-M) 11520 5250
CATEGORY DAY 4 3
SUNSHINE HOURS 4 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-190915-
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
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 60 60
CHANCE OF THUNDER (%) 0 20 50 50
TEMP (24H TREND) 76 (-2) 90 (0) 73 87
RH % (24H TREND) 91 (-3) 57 (-7) 94 67
WIND 20FT/EARLY(MPH) SE 14 G22 SE 11 G20 SE 8 G19 SE 5
WIND 20FT/LATE(MPH) SE 10 G19 SE 14 SE 5 SE 7
MAX/MIN MIX HGT(M) 1390 1230
MAX/MIN MIX HGT(FT) 4570 4040
TRANSPORT WND (KTS) S 15 SE 10
TRANSPORT WND (M/S) S 8 SE 5
VENT RATE (M/S-M) 11120 6150
CATEGORY DAY 4 3
SUNSHINE HOURS 5 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-190915-
CHAMBERS-COASTAL GALVESTON-COASTAL HARRIS-SOUTHERN LIBERTY-
INCLUDING THE CITIES OF ANAHUAC, BAYTOWN, DEVERS, DICKINSON,
LA MARQUE, MONT BELVIEU, OLD RIVER-WINFREE, PASADENA, STOWELL,
TEXAS CITY, AND WINNIE
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50 60
CHANCE OF THUNDER (%) 0 20 50 50
TEMP (24H TREND) 78 (0) 88 (+1) 75 87
RH % (24H TREND) 92 (-1) 68 (-6) 95 72
WIND 20FT/EARLY(MPH) SE 13 SE 11 SE 7 SE 5
WIND 20FT/LATE(MPH) SE 10 SE 13 SE 5 SE 8
MAX/MIN MIX HGT(M) 1310 980
MAX/MIN MIX HGT(FT) 4280 3210
TRANSPORT WND (KTS) S 16 S 10
TRANSPORT WND (M/S) S 8 S 5
VENT RATE (M/S-M) 10480 4900
CATEGORY DAY 4 3
SUNSHINE HOURS 4 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-190915-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50 30
CHANCE OF THUNDER (%) 0 20 50 30
TEMP (24H TREND) 78 (-1) 88 (+1) 77 87
RH % (24H TREND) 91 (-7) 70 (-6) 92 71
WIND 20FT/EARLY(MPH) SE 15 SE 12 SE 10 G19 SE 8
WIND 20FT/LATE(MPH) SE 13 SE 14 SE 7 SE 10
MAX/MIN MIX HGT(M) 1040 1060
MAX/MIN MIX HGT(FT) 3420 3490
TRANSPORT WND (KTS) S 16 SE 10
TRANSPORT WND (M/S) S 8 SE 5
VENT RATE (M/S-M) 8320 5300
CATEGORY DAY 4 3
SUNSHINE HOURS 4 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-190915-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
325 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50 30
CHANCE OF THUNDER (%) 0 20 50 30
TEMP (24H TREND) 79 (+1) 86 (+2) 78 86
RH % (24H TREND) 95 (-1) 76 (-6) 94 76
WIND 20FT/EARLY(MPH) SE 18 SE 14 SE 13 SE 10
WIND 20FT/LATE(MPH) SE 17 SE 14 SE 10 SE 10
MAX/MIN MIX HGT(M) 850 760
MAX/MIN MIX HGT(FT) 2800 2480
TRANSPORT WND (KTS) SE 16 SE 10
TRANSPORT WND (M/S) SE 8 SE 5
VENT RATE (M/S-M) 6800 3800
CATEGORY DAY 3 2
SUNSHINE HOURS 4 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. EAST
WINDS AROUND 5 MPH.
FRIDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID
70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
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