863
FNUS54 KHGX 211123
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
623 AM CDT THU MAY 21 2026
DISCUSSION
PERIODS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER THE NEXT
SEVERAL DAYS. LOCALLLY HEAVY RAINFALL IS LIKELY ALONG WITH LOCALLY
STRONG THUNDERSTORMS. OUTSIDE OF ANY THUNDERSTORMS, LIGHT EAST TO
SOUTHEAST WINDS SHOULD GENERALLY PREVAIL WITH ELEVATED RH VALUES.
TXZ163-164-212115-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 40 50
CHANCE OF THUNDER (%) 60 40 50
TEMP (24H TREND) 79 (-1) 67 (-1) 84
RH % (24H TREND) 72 (-3) 100 (+1) 65
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) 1080 1470
MAX/MIN MIX HGT(FT) 3550 4830
TRANSPORT WND (KTS) SE 8 SW 9
TRANSPORT WND (M/S) SE 4 SW 5
VENT RATE (M/S-M) 4320 7350
CATEGORY DAY 3 3
SUNSHINE HOURS 3 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-195>198-212115-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 30 40
CHANCE OF THUNDER (%) 60 30 40
TEMP (24H TREND) 79 (-2) 68 (-1) 85
RH % (24H TREND) 71 (0) 100 (+3) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SE 5 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1050 1570
MAX/MIN MIX HGT(FT) 3440 5150
TRANSPORT WND (KTS) S 8 SW 7
TRANSPORT WND (M/S) S 4 SW 4
VENT RATE (M/S-M) 4200 6280
CATEGORY DAY 3 3
SUNSHINE HOURS 3 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-212115-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 50
CHANCE OF THUNDER (%) 70 30 50
TEMP (24H TREND) 80 (-1) 68 (-1) 85
RH % (24H TREND) 72 (-3) 100 (+3) 61
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) 930 1630
MAX/MIN MIX HGT(FT) 3050 5350
TRANSPORT WND (KTS) SE 7 SW 8
TRANSPORT WND (M/S) SE 4 SW 4
VENT RATE (M/S-M) 3720 6520
CATEGORY DAY 2 3
SUNSHINE HOURS 3 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-212115-
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
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 60
CHANCE OF THUNDER (%) 80 30 60
TEMP (24H TREND) 80 (-1) 70 (-2) 85
RH % (24H TREND) 72 (-4) 100 (+5) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR S 5
MAX/MIN MIX HGT(M) 900 1460
MAX/MIN MIX HGT(FT) 2940 4780
TRANSPORT WND (KTS) S 7 S 8
TRANSPORT WND (M/S) S 4 S 4
VENT RATE (M/S-M) 3600 5840
CATEGORY DAY 2 3
SUNSHINE HOURS 2 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-212115-
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
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 50
CHANCE OF THUNDER (%) 70 30 50
TEMP (24H TREND) 81 (-1) 69 (-3) 85
RH % (24H TREND) 70 (-4) 100 (+3) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR S 6
MAX/MIN MIX HGT(M) 1020 1460
MAX/MIN MIX HGT(FT) 3340 4800
TRANSPORT WND (KTS) SW 8 S 8
TRANSPORT WND (M/S) SW 4 S 4
VENT RATE (M/S-M) 4080 5840
CATEGORY DAY 3 3
SUNSHINE HOURS 2 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-212115-
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
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 40 60
CHANCE OF THUNDER (%) 80 40 60
TEMP (24H TREND) 80 (-1) 70 (-2) 84
RH % (24H TREND) 76 (-6) 100 (+2) 69
WIND 20FT/EARLY(MPH) E 5 S 5 S 6
WIND 20FT/LATE(MPH) S 6 S 5 S 6
MAX/MIN MIX HGT(M) 660 1240
MAX/MIN MIX HGT(FT) 2180 4080
TRANSPORT WND (KTS) SE 10 S 9
TRANSPORT WND (M/S) SE 5 S 5
VENT RATE (M/S-M) 3300 6200
CATEGORY DAY 2 3
SUNSHINE HOURS 2 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-212115-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 30 50
CHANCE OF THUNDER (%) 70 30 50
TEMP (24H TREND) 81 (-1) 72 (-2) 85
RH % (24H TREND) 74 (-2) 99 (0) 69
WIND 20FT/EARLY(MPH) E 6 S 6 S 7
WIND 20FT/LATE(MPH) S 8 S 6 S 8
MAX/MIN MIX HGT(M) 1010 1350
MAX/MIN MIX HGT(FT) 3310 4440
TRANSPORT WND (KTS) S 9 S 10
TRANSPORT WND (M/S) S 5 S 5
VENT RATE (M/S-M) 5050 6750
CATEGORY DAY 3 3
SUNSHINE HOURS 2 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-212115-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
623 AM CDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 30 60
CHANCE OF THUNDER (%) 70 30 50
TEMP (24H TREND) 80 (0) 75 (-1) 83
RH % (24H TREND) 77 (0) 95 (-2) 72
WIND 20FT/EARLY(MPH) SE 9 S 10 S 9
WIND 20FT/LATE(MPH) SE 10 S 10 S 9
MAX/MIN MIX HGT(M) 660 810
MAX/MIN MIX HGT(FT) 2180 2670
TRANSPORT WND (KTS) S 12 S 10
TRANSPORT WND (M/S) S 6 S 5
VENT RATE (M/S-M) 3960 4050
CATEGORY DAY 2 3
SUNSHINE HOURS 3 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS
IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS
IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
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