504
FNUS54 KHGX 220447
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1147 PM CDT TUE APR 21 2026
DISCUSSION
SOUTHEASTERLY WINDS GENERALLY IN THE 10-15 MPH RANGE WILL PERSIST
FOR MOST OF THE WEEK. SCATTERED SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE TODAY, ESPECIALLY IN THE AFTERNOON. RAIN CHANCES
DECREASE ON THURSDAY INTO THE WEEKEND, THOUGH SOME ISOLATED
SHOWERS AND STORMS CANNOT BE COMPLETELY RULED OUT. AFTERNOON
MINIMUM RH SHOULD GENERALLY REMAIN OVER 60 PERCENT THROUGH THE
NEXT SEVERAL DAYS.
TXZ163-164-220615-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 30 60
CHANCE OF THUNDER (%) 50 30 50
TEMP (24H TREND) 64 55 (0) 78
RH % (24H TREND) 78 100 (+9) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SE 5
WIND 20FT/LATE(MPH) SE 5 LGT/VAR SE 5
MAX/MIN MIX HGT(M) 710 1230
MAX/MIN MIX HGT(FT) 2340 4030
TRANSPORT WND (KTS) SE 12 SE 10
TRANSPORT WND (M/S) SE 6 SE 5
VENT RATE (M/S-M) 4260 6150
CATEGORY DAY 3 3
SUNSHINE HOURS 2 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-195>198-220615-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 30 50
CHANCE OF THUNDER (%) 50 20 50
TEMP (24H TREND) 66 59 (+2) 79
RH % (24H TREND) 87 100 (+3) 74
WIND 20FT/EARLY(MPH) E 7 G17 E 6 G17 SE 6
WIND 20FT/LATE(MPH) E 9 G17 LGT/VAR SE 6
MAX/MIN MIX HGT(M) 600 990
MAX/MIN MIX HGT(FT) 1970 3250
TRANSPORT WND (KTS) E 16 SE 9
TRANSPORT WND (M/S) E 8 SE 5
VENT RATE (M/S-M) 4800 4950
CATEGORY DAY 3 3
SUNSHINE HOURS 2 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-220615-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 70
CHANCE OF THUNDER (%) 50 30 70
TEMP (24H TREND) 67 58 (0) 79
RH % (24H TREND) 76 100 (+9) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 6 LGT/VAR SE 5
MAX/MIN MIX HGT(M) 750 1090
MAX/MIN MIX HGT(FT) 2470 3570
TRANSPORT WND (KTS) E 13 SE 9
TRANSPORT WND (M/S) E 7 SE 5
VENT RATE (M/S-M) 5250 5450
CATEGORY DAY 3 3
SUNSHINE HOURS 2 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-220615-
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
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 40 60
CHANCE OF THUNDER (%) 50 20 60
TEMP (24H TREND) 66 62 (+2) 81
RH % (24H TREND) 76 100 (+7) 68
WIND 20FT/EARLY(MPH) E 8 G17 E 6 SE 5
WIND 20FT/LATE(MPH) E 10 LGT/VAR SE 7
MAX/MIN MIX HGT(M) 1070 1250
MAX/MIN MIX HGT(FT) 3520 4100
TRANSPORT WND (KTS) SE 17 SE 10
TRANSPORT WND (M/S) SE 9 SE 5
VENT RATE (M/S-M) 9630 6250
CATEGORY DAY 4 3
SUNSHINE HOURS 2 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-220615-
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
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 60
CHANCE OF THUNDER (%) 50 20 50
TEMP (24H TREND) 69 62 (+2) 81
RH % (24H TREND) 79 100 (+1) 66
WIND 20FT/EARLY(MPH) E 8 G17 E 7 G17 SE 6
WIND 20FT/LATE(MPH) SE 11 G18 LGT/VAR SE 8
MAX/MIN MIX HGT(M) 1040 1170
MAX/MIN MIX HGT(FT) 3410 3850
TRANSPORT WND (KTS) SE 18 SE 10
TRANSPORT WND (M/S) SE 9 SE 5
VENT RATE (M/S-M) 9360 5850
CATEGORY DAY 4 3
SUNSHINE HOURS 2 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-220615-
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
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 40 70
CHANCE OF THUNDER (%) 50 20 70
TEMP (24H TREND) 68 63 (+2) 79
RH % (24H TREND) 70 100 (+14) 69
WIND 20FT/EARLY(MPH) E 8 E 7 G20 SE 6
WIND 20FT/LATE(MPH) E 11 E 5 SE 9
MAX/MIN MIX HGT(M) 1070 1020
MAX/MIN MIX HGT(FT) 3520 3350
TRANSPORT WND (KTS) E 16 SE 10
TRANSPORT WND (M/S) E 8 SE 5
VENT RATE (M/S-M) 8560 5100
CATEGORY DAY 4 3
SUNSHINE HOURS 3 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-220615-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 30 50
CHANCE OF THUNDER (%) 50 20 50
TEMP (24H TREND) 74 65 (+4) 81
RH % (24H TREND) 71 100 (+6) 67
WIND 20FT/EARLY(MPH) SE 11 SE 8 G18 SE 6
WIND 20FT/LATE(MPH) SE 14 SE 5 SE 10
MAX/MIN MIX HGT(M) 1070 1070
MAX/MIN MIX HGT(FT) 3520 3510
TRANSPORT WND (KTS) SE 19 SE 11
TRANSPORT WND (M/S) SE 10 SE 6
VENT RATE (M/S-M) 10700 6420
CATEGORY DAY 4 3
SUNSHINE HOURS 3 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-220615-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
1147 PM CDT TUE APR 21 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 40 60
CHANCE OF THUNDER (%) 50 20 50
TEMP (24H TREND) 74 68 (+3) 79
RH % (24H TREND) 69 97 (+14) 70
WIND 20FT/EARLY(MPH) SE 13 SE 13 G23 S 9
WIND 20FT/LATE(MPH) SE 15 SE 11 SE 10
MAX/MIN MIX HGT(M) 1070 820
MAX/MIN MIX HGT(FT) 3520 2700
TRANSPORT WND (KTS) SE 15 SE 11
TRANSPORT WND (M/S) SE 8 SE 6
VENT RATE (M/S-M) 8560 4920
CATEGORY DAY 4 3
SUNSHINE HOURS 4 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. SOUTH WINDS AROUND 10 MPH.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page