114
FNUS54 KHGX 210512
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1212 AM CDT THU MAY 21 2026
DISCUSSION
THE NEXT UPPER DISTURBANCE AND ASSOCIATED SHOWERS AND
THUNDERSTORMS SHOULD BE TRACKING ACROSS THE AREA THURSDAY.
SCATTERED SHOWERS AND STORMS ARE ANTICIPATED FRIDAY, FOLLOWED BY
ADDITIONAL WIDESPREAD PRECIPITATION THIS WEEKEND. OUTSIDE OF ANY
STORMS, LIGHT SOUTHEAST WINDS SHOULD GENERALLY PREVAIL WITH
ELEVATED RH'S.
TXZ163-164-212115-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
1212 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 (+2) 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
1212 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 (+3) 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
1212 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
1212 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 (+1) 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
1212 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 (-3) 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
1212 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 (+4) 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 8
TRANSPORT WND (M/S) SE 5 S 4
VENT RATE (M/S-M) 3300 4960
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
1212 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 (0) 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 8 S 10
TRANSPORT WND (M/S) S 4 S 5
VENT RATE (M/S-M) 4040 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
1212 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 (+3) 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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