233
FNUS54 KHGX 211910
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
210 PM CDT SAT MAR 21 2026
DISCUSSION
DRY CONDITIONS WITH WELL-ABOVE AVERAGE TEMPERATURES ARE
EXPECTED OVER THE NEXT SEVERAL DAYS. EXPECT SOUTHERLY
WINDS AT 10-15 MPH DURING THE DAY AND 5-10 MPH AT NIGHT
THROUGH THE WEEKEND. AFTERNOON RH VALUES ARE EXPECTED BE
IN THE 30 TO 40 PERCENT RANGE INLAND AND INTO THE 50 TO
70 PERCENT RANGE ALONG THE COAST, ALTHOUGH VALUES COULD
DROP TO AS LOW AS 25-30 PERCENT OVER PORTIONS OF THE
BRAZOS VALLEY. AREAS OF FOG, SOME LOCALLY DENSE, WILL BE
POSSIBLE DURING THE NIGHTTIME AND EARLY MORNING HOURS.
TXZ163-164-220930-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (+1) 86 (-1) 58 84
RH % (24H TREND) 99 (0) 38 (-4) 100 40
WIND 20FT/EARLY(MPH) S 6 S 8 G18 S 6 LGT/VAR
WIND 20FT/LATE(MPH) S 5 S 10 G19 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1380 1810
MAX/MIN MIX HGT(FT) 4540 5930
TRANSPORT WND (KTS) S 18 S 7
TRANSPORT WND (M/S) S 9 S 4
VENT RATE (M/S-M) 12420 7240
CATEGORY DAY 4 3
SUNSHINE HOURS 10 9
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-177-195>198-220930-
BRAZOS-BURLESON-GRIMES-MADISON-WALKER-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, HUNTSVILLE, MADISONVILLE, NAVASOTA,
AND SOMERVILLE
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (+1) 88 (0) 58 87
RH % (24H TREND) 100 (+4) 34 (-5) 100 34
WIND 20FT/EARLY(MPH) S 10 G19 S 11 G21 S 10 G19 LGT/VAR
WIND 20FT/LATE(MPH) S 9 G19 S 13 G21 S 6 S 5
MAX/MIN MIX HGT(M) 1500 1870
MAX/MIN MIX HGT(FT) 4930 6140
TRANSPORT WND (KTS) S 19 S 7
TRANSPORT WND (M/S) S 10 S 4
VENT RATE (M/S-M) 15000 7480
CATEGORY DAY 4 3
SUNSHINE HOURS 10 9
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ178-179-199-200-220930-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, LIBERTY, LIVINGSTON, SHEPHERD, AND THE WOODLANDS
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 61 (+1) 87 (0) 60 87
RH % (24H TREND) 100 (+6) 39 (-5) 100 39
WIND 20FT/EARLY(MPH) S 6 SW 7 G18 S 6 LGT/VAR
WIND 20FT/LATE(MPH) S 5 S 9 G19 LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1410 1820
MAX/MIN MIX HGT(FT) 4620 5960
TRANSPORT WND (KTS) S 16 S 7
TRANSPORT WND (M/S) S 8 S 4
VENT RATE (M/S-M) 11280 7280
CATEGORY DAY 4 3
SUNSHINE HOURS 9 9
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-220930-
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
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 62 (+1) 86 (0) 61 87
RH % (24H TREND) 100 (+4) 40 (-5) 100 38
WIND 20FT/EARLY(MPH) S 9 G19 SW 10 G19 S 8 G18 LGT/VAR
WIND 20FT/LATE(MPH) S 7 S 13 LGT/VAR S 6
MAX/MIN MIX HGT(M) 1380 1980
MAX/MIN MIX HGT(FT) 4510 6480
TRANSPORT WND (KTS) S 16 S 8
TRANSPORT WND (M/S) S 8 S 4
VENT RATE (M/S-M) 11040 7920
CATEGORY DAY 4 3
SUNSHINE HOURS 9 9
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-220930-
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
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 61 (+1) 86 (+1) 59 87
RH % (24H TREND) 100 (+3) 36 (-8) 100 35
WIND 20FT/EARLY(MPH) S 10 G19 S 11 G21 S 9 G18 LGT/VAR
WIND 20FT/LATE(MPH) S 8 S 14 LGT/VAR S 6
MAX/MIN MIX HGT(M) 1380 1980
MAX/MIN MIX HGT(FT) 4540 6480
TRANSPORT WND (KTS) S 17 S 9
TRANSPORT WND (M/S) S 9 S 5
VENT RATE (M/S-M) 12420 9900
CATEGORY DAY 4 4
SUNSHINE HOURS 9 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ214-300-313-338-220930-
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
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 62 (0) 82 (+1) 61 84
RH % (24H TREND) 100 (+2) 49 (-9) 100 47
WIND 20FT/EARLY(MPH) S 10 SW 10 G18 S 8 LGT/VAR
WIND 20FT/LATE(MPH) S 8 S 14 LGT/VAR S 7
MAX/MIN MIX HGT(M) 1220 1780
MAX/MIN MIX HGT(FT) 3990 5860
TRANSPORT WND (KTS) S 17 S 8
TRANSPORT WND (M/S) S 9 S 4
VENT RATE (M/S-M) 10980 7120
CATEGORY DAY 4 3
SUNSHINE HOURS 9 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ335>337-220930-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 63 (0) 79 (0) 62 82
RH % (24H TREND) 100 (+2) 56 (-7) 100 54
WIND 20FT/EARLY(MPH) S 9 G17 S 11 G19 S 8 LGT/VAR
WIND 20FT/LATE(MPH) S 8 S 13 S 5 SE 8
MAX/MIN MIX HGT(M) 990 1510
MAX/MIN MIX HGT(FT) 3260 4940
TRANSPORT WND (KTS) S 17 S 9
TRANSPORT WND (M/S) S 9 S 5
VENT RATE (M/S-M) 8910 7550
CATEGORY DAY 4 3
SUNSHINE HOURS 9 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ436>439-220930-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
210 PM CDT SAT MAR 21 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 65 (0) 75 (+1) 64 76
RH % (24H TREND) 97 (0) 71 (-6) 99 71
WIND 20FT/EARLY(MPH) S 12 S 12 S 10 LGT/VAR
WIND 20FT/LATE(MPH) S 12 S 12 S 7 SE 7
MAX/MIN MIX HGT(M) 840 860
MAX/MIN MIX HGT(FT) 2760 2840
TRANSPORT WND (KTS) S 17 SE 8
TRANSPORT WND (M/S) S 9 SE 4
VENT RATE (M/S-M) 7560 3440
CATEGORY DAY 3 2
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 10 MPH.
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