425
FNUS54 KHGX 180518
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1218 AM CDT THU JUN 18 2026
DISCUSSION
RAIN CHANCES WILL BE LOWER WITH SUN PLENTIFUL TODAY WITH
INCREASING HEAT AND HUMIDITY PREVAILING. HEAT WILL CONTINUE INTO
FRIDAY, BUT RAIN CHANCES WILL INCREASE LATE FRIDAY INTO SATURDAY,
ESPECIALLY FARTHER NORTH OF THE COAST. MINIMUM RHS WILL BE IN THE
55 TO 65 PERCENT RANGE THROUGH THE END OF THE WEEK.
TXZ163-164-182130-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 94 (+6) 77 (+2) 93
RH % (24H TREND) 57 (-15) 97 (-1) 60
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) 1630 1560
MAX/MIN MIX HGT(FT) 5330 5130
TRANSPORT WND (KTS) S 10 S 9
TRANSPORT WND (M/S) S 5 S 5
VENT RATE (M/S-M) 8150 7800
CATEGORY DAY 4 3
SUNSHINE HOURS 8 6
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
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 94 (+6) 78 (+1) 93
RH % (24H TREND) 60 (-12) 92 (-2) 62
WIND 20FT/EARLY(MPH) S 6 SE 7 SE 6
WIND 20FT/LATE(MPH) S 8 SE 6 SE 7
MAX/MIN MIX HGT(M) 1510 1680
MAX/MIN MIX HGT(FT) 4940 5500
TRANSPORT WND (KTS) S 14 S 12
TRANSPORT WND (M/S) S 7 S 6
VENT RATE (M/S-M) 10570 10080
CATEGORY DAY 4 4
SUNSHINE HOURS 9 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-182130-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 20
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 95 (+7) 78 (+1) 94
RH % (24H TREND) 57 (-17) 93 (-2) 59
WIND 20FT/EARLY(MPH) LGT/VAR SE 5 S 5
WIND 20FT/LATE(MPH) S 6 LGT/VAR S 6
MAX/MIN MIX HGT(M) 1550 1740
MAX/MIN MIX HGT(FT) 5100 5720
TRANSPORT WND (KTS) S 13 S 12
TRANSPORT WND (M/S) S 7 S 6
VENT RATE (M/S-M) 10850 10440
CATEGORY DAY 4 4
SUNSHINE HOURS 8 6
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
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 93 (+5) 80 (+1) 94
RH % (24H TREND) 65 (-11) 92 (-3) 62
WIND 20FT/EARLY(MPH) S 7 SE 7 SE 8
WIND 20FT/LATE(MPH) S 9 G17 SE 6 SE 9
MAX/MIN MIX HGT(M) 1380 1550
MAX/MIN MIX HGT(FT) 4520 5090
TRANSPORT WND (KTS) S 15 S 14
TRANSPORT WND (M/S) S 8 S 7
VENT RATE (M/S-M) 11040 10850
CATEGORY DAY 4 4
SUNSHINE HOURS 8 5
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
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 93 (+4) 79 (+1) 92
RH % (24H TREND) 67 (-5) 93 (-4) 62
WIND 20FT/EARLY(MPH) S 8 G18 SE 8 G17 SE 9 G18
WIND 20FT/LATE(MPH) S 11 G19 SE 7 SE 9 G18
MAX/MIN MIX HGT(M) 1270 1360
MAX/MIN MIX HGT(FT) 4180 4470
TRANSPORT WND (KTS) S 16 S 13
TRANSPORT WND (M/S) S 8 S 7
VENT RATE (M/S-M) 10160 9520
CATEGORY DAY 4 4
SUNSHINE HOURS 7 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-182130-
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
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (+3) 79 (0) 91
RH % (24H TREND) 75 (-6) 94 (-1) 69
WIND 20FT/EARLY(MPH) S 9 S 8 S 8
WIND 20FT/LATE(MPH) S 10 S 7 SE 9
MAX/MIN MIX HGT(M) 1150 1300
MAX/MIN MIX HGT(FT) 3760 4250
TRANSPORT WND (KTS) S 16 S 13
TRANSPORT WND (M/S) S 8 S 7
VENT RATE (M/S-M) 9200 9100
CATEGORY DAY 4 4
SUNSHINE HOURS 8 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-182130-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 91 (+3) 82 (+1) 91
RH % (24H TREND) 79 (-1) 91 (-3) 72
WIND 20FT/EARLY(MPH) S 10 G18 SE 11 G18 SE 11 G18
WIND 20FT/LATE(MPH) S 12 S 10 SE 10 G18
MAX/MIN MIX HGT(M) 1010 1110
MAX/MIN MIX HGT(FT) 3320 3630
TRANSPORT WND (KTS) S 17 S 13
TRANSPORT WND (M/S) S 9 S 7
VENT RATE (M/S-M) 9090 7770
CATEGORY DAY 4 3
SUNSHINE HOURS 8 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-182130-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
1218 AM CDT THU JUN 18 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 89 (+2) 83 (0) 89
RH % (24H TREND) 80 (-1) 92 (+1) 77
WIND 20FT/EARLY(MPH) S 13 G21 S 13 G21 SE 12 G20
WIND 20FT/LATE(MPH) S 12 S 13 SE 10
MAX/MIN MIX HGT(M) 890 840
MAX/MIN MIX HGT(FT) 2930 2750
TRANSPORT WND (KTS) S 19 S 13
TRANSPORT WND (M/S) S 10 S 7
VENT RATE (M/S-M) 8900 5880
CATEGORY DAY 4 3
SUNSHINE HOURS 9 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 80. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 80. HIGHS AROUND 90. SOUTH
WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 80. HIGHS IN THE LOWER 90S.
SOUTH WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 80. HIGHS IN THE LOWER 90S.
SOUTHEAST WINDS 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 70S. HIGHS IN THE
LOWER 90S. SOUTHEAST WINDS AROUND 5 MPH.
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