918
FNUS54 KHGX 181819
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
119 PM CDT SAT APR 18 2026
DISCUSSION
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE AHEAD OF AND
ALONG THE FRONT, WHICH WILL MOVE THROUGH THE REGION
THIS AFTERNOON AND EVENING. ISOLATED DOWNPOURS WILL BE
POSSIBLE WITH ANY THUNDERSTORM. GUSTY NORTHERLY TO NORTHEASTERLY
WINDS ARE EXPECTED TONIGHT THROUGH SUNDAY. MUCH DRIER CONDITIONS
ARE EXPECTED ON SUNDAY WITH MINIMUM RH VALUES DROPPING TO 30-40%.
WINDS SUBSIDE AS THEY TURN MORE EASTERLY ON MONDAY, BUT MINIMUM
RH VALUES WILL STILL RANGE FROM 30-50%.
TXZ163-164-190945-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 60 0 0 0
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 48 (-18) 72 (-1) 48 75
RH % (24H TREND) 83 (-11) 26 (-47) 69 29
WIND 20FT/EARLY(MPH) N 9 G21 NE 8 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 6 G18 NE 8 G18 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1730 1570
MAX/MIN MIX HGT(FT) 5660 5150
TRANSPORT WND (KTS) E 16 SE 8
TRANSPORT WND (M/S) E 8 SE 4
VENT RATE (M/S-M) 13840 6280
CATEGORY DAY 4 3
SUNSHINE HOURS 8 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-195>198-190945-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 70 0 0 0
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 50 (-16) 72 (-3) 51 72
RH % (24H TREND) 83 (-10) 30 (-41) 67 38
WIND 20FT/EARLY(MPH) N 14 G23 NE 10 G18 NE 5 E 5
WIND 20FT/LATE(MPH) NE 10 G21 NE 11 G18 LGT/VAR SE 6
MAX/MIN MIX HGT(M) 1720 1430
MAX/MIN MIX HGT(FT) 5650 4690
TRANSPORT WND (KTS) E 16 SE 9
TRANSPORT WND (M/S) E 8 SE 5
VENT RATE (M/S-M) 13760 7150
CATEGORY DAY 4 3
SUNSHINE HOURS 6 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-190945-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 80 0 0 0
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 51 (-17) 73 (-5) 51 76
RH % (24H TREND) 86 (-8) 26 (-44) 62 29
WIND 20FT/EARLY(MPH) N 10 G22 NE 9 G19 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NE 9 G20 NE 9 G19 LGT/VAR SE 5
MAX/MIN MIX HGT(M) 1730 1600
MAX/MIN MIX HGT(FT) 5660 5250
TRANSPORT WND (KTS) E 16 SE 10
TRANSPORT WND (M/S) E 8 SE 5
VENT RATE (M/S-M) 13840 8000
CATEGORY DAY 4 4
SUNSHINE HOURS 7 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-190945-
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
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 80 0 0 20
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 53 (-17) 72 (-11) 55 72
RH % (24H TREND) 87 (-7) 35 (-32) 64 42
WIND 20FT/EARLY(MPH) N 12 G22 NE 13 G23 NE 6 NE 7
WIND 20FT/LATE(MPH) NE 13 G23 NE 11 G20 NE 5 E 8
MAX/MIN MIX HGT(M) 1560 1340
MAX/MIN MIX HGT(FT) 5130 4390
TRANSPORT WND (KTS) E 16 E 12
TRANSPORT WND (M/S) E 8 E 6
VENT RATE (M/S-M) 12480 8040
CATEGORY DAY 4 4
SUNSHINE HOURS 4 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-190945-
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
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 70 0 0 30
CHANCE OF THUNDER (%) 50 0 0 20
TEMP (24H TREND) 53 (-17) 71 (-12) 55 72
RH % (24H TREND) 87 (-6) 38 (-27) 65 48
WIND 20FT/EARLY(MPH) N 14 G23 NE 14 G23 NE 6 NE 7
WIND 20FT/LATE(MPH) NE 14 G25 NE 12 G20 NE 5 E 8
MAX/MIN MIX HGT(M) 1470 1360
MAX/MIN MIX HGT(FT) 4810 4470
TRANSPORT WND (KTS) E 16 E 13
TRANSPORT WND (M/S) E 8 E 7
VENT RATE (M/S-M) 11760 9520
CATEGORY DAY 4 4
SUNSHINE HOURS 3 2
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-190945-
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
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 90 20 0 0
CHANCE OF THUNDER (%) 50 0 0 0
TEMP (24H TREND) 54 (-16) 72 (-11) 53 74
RH % (24H TREND) 88 (-5) 35 (-34) 61 39
WIND 20FT/EARLY(MPH) N 10 G20 NE 15 G27 NE 8 E 9 G17
WIND 20FT/LATE(MPH) NE 15 G27 NE 13 G22 NE 7 G17 E 9
MAX/MIN MIX HGT(M) 1430 1210
MAX/MIN MIX HGT(FT) 4690 3960
TRANSPORT WND (KTS) NE 17 E 14
TRANSPORT WND (M/S) NE 9 E 7
VENT RATE (M/S-M) 12870 8470
CATEGORY DAY 4 4
SUNSHINE HOURS 5 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-190945-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLOUDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 10 30
CHANCE OF THUNDER (%) 50 0 0 20
TEMP (24H TREND) 57 (-15) 71 (-12) 60 73
RH % (24H TREND) 87 (-5) 42 (-29) 66 52
WIND 20FT/EARLY(MPH) N 12 G23 NE 17 G26 NE 10 NE 11
WIND 20FT/LATE(MPH) N 16 G27 NE 15 NE 8 E 12
MAX/MIN MIX HGT(M) 1160 1290
MAX/MIN MIX HGT(FT) 3790 4230
TRANSPORT WND (KTS) E 17 E 16
TRANSPORT WND (M/S) E 9 E 8
VENT RATE (M/S-M) 10440 10320
CATEGORY DAY 4 4
SUNSHINE HOURS 2 2
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-190945-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
119 PM CDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 20 10 20
CHANCE OF THUNDER (%) 50 0 0 20
TEMP (24H TREND) 59 (-14) 72 (-6) 63 73
RH % (24H TREND) 89 (-3) 41 (-40) 65 51
WIND 20FT/EARLY(MPH) N 14 NE 21 G28 NE 15 E 15
WIND 20FT/LATE(MPH) NE 22 G29 NE 17 NE 14 E 14
MAX/MIN MIX HGT(M) 1140 1250
MAX/MIN MIX HGT(FT) 3720 4100
TRANSPORT WND (KTS) NE 18 E 17
TRANSPORT WND (M/S) NE 9 E 9
VENT RATE (M/S-M) 10260 11250
CATEGORY DAY 4 4
SUNSHINE HOURS 3 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. EAST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS AROUND
80. SOUTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 70. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS AROUND 70. HIGHS IN THE LOWER
80S. SOUTHEAST WINDS AROUND 10 MPH.
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