887
FNUS54 KHGX 201143
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
643 AM CDT FRI MAR 20 2026
DISCUSSION
DRY CONDITIONS WITH WELL-ABOVE AVERAGE TEMPERATURES ARE EXPECTED
OVER THE NEXT SEVERAL DAYS. WINDS WILL REMAIN GENERALLY LIGHT
GENERALLY FROM THE SOUTH. AFTERNOON RH VALUES ARE EXPECTED TO
DROP INTO THE 30 TO 40 PERCENT RANGE INLAND AND INTO THE 50 TO 70
PERCENT RANGE ALONG THE COAST. PATCHY FOG WILL ALSO BE POSSIBLE
DURING THE NIGHTTIME ARE EARLY MORNING HOURS. OVER THE WEEKEND,
RH VALUES COULD DROP TO AS LOW AS 20-25 PERCENT OVER PORTIONS OF THE
BRAZOS VALLEY.
TXZ163-164-202115-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+4) 58 (+4) 90
RH % (24H TREND) 36 (-3) 100 (0) 35
WIND 20FT/EARLY(MPH) SW 5 S 5 SW 5
WIND 20FT/LATE(MPH) SW 7 LGT/VAR SW 6
MAX/MIN MIX HGT(M) 1180 1160
MAX/MIN MIX HGT(FT) 3890 3810
TRANSPORT WND (KTS) S 14 SW 12
TRANSPORT WND (M/S) S 7 SW 6
VENT RATE (M/S-M) 8260 6960
CATEGORY DAY 4 3
SUNSHINE HOURS 11 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ176-177-195>198-202115-
BRAZOS-BURLESON-GRIMES-MADISON-WALKER-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, HUNTSVILLE, MADISONVILLE, NAVASOTA,
AND SOMERVILLE
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 88 (+5) 59 (+5) 92
RH % (24H TREND) 33 (-5) 99 (-1) 27
WIND 20FT/EARLY(MPH) SW 7 S 8 S 7
WIND 20FT/LATE(MPH) S 9 S 6 S 9
MAX/MIN MIX HGT(M) 1320 1340
MAX/MIN MIX HGT(FT) 4340 4390
TRANSPORT WND (KTS) S 14 S 13
TRANSPORT WND (M/S) S 7 S 7
VENT RATE (M/S-M) 9240 9380
CATEGORY DAY 4 4
SUNSHINE HOURS 11 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ178-179-199-200-202115-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, LIBERTY, LIVINGSTON, SHEPHERD, AND THE WOODLANDS
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+4) 59 (+4) 90
RH % (24H TREND) 36 (-4) 100 (0) 34
WIND 20FT/EARLY(MPH) LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) S 6 LGT/VAR S 6
MAX/MIN MIX HGT(M) 1310 1070
MAX/MIN MIX HGT(FT) 4290 3500
TRANSPORT WND (KTS) S 11 S 11
TRANSPORT WND (M/S) S 6 S 6
VENT RATE (M/S-M) 7860 6420
CATEGORY DAY 3 3
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ212-213-227-237-238-202115-
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
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+4) 60 (+5) 90
RH % (24H TREND) 37 (-5) 100 (0) 34
WIND 20FT/EARLY(MPH) SW 5 S 8 SW 6
WIND 20FT/LATE(MPH) S 9 S 5 S 10
MAX/MIN MIX HGT(M) 1370 1070
MAX/MIN MIX HGT(FT) 4490 3510
TRANSPORT WND (KTS) S 12 S 12
TRANSPORT WND (M/S) S 6 S 6
VENT RATE (M/S-M) 8220 6420
CATEGORY DAY 4 3
SUNSHINE HOURS 10 9
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE-HIGH
TXZ210-211-226-235-236-202115-
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
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 86 (+4) 59 (+4) 90
RH % (24H TREND) 35 (-5) 100 (0) 32
WIND 20FT/EARLY(MPH) SW 6 S 9 SW 7
WIND 20FT/LATE(MPH) S 10 S 6 S 11
MAX/MIN MIX HGT(M) 1270 1110
MAX/MIN MIX HGT(FT) 4170 3650
TRANSPORT WND (KTS) S 13 S 13
TRANSPORT WND (M/S) S 7 S 7
VENT RATE (M/S-M) 8890 7770
CATEGORY DAY 4 3
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE-HIGH
TXZ214-300-313-338-202115-
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
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 83 (+5) 61 (+5) 85
RH % (24H TREND) 47 (-4) 100 (+1) 43
WIND 20FT/EARLY(MPH) SW 6 S 9 SW 7
WIND 20FT/LATE(MPH) S 11 SW 6 S 12
MAX/MIN MIX HGT(M) 1220 960
MAX/MIN MIX HGT(FT) 4000 3150
TRANSPORT WND (KTS) S 11 S 14
TRANSPORT WND (M/S) S 6 S 7
VENT RATE (M/S-M) 7320 6720
CATEGORY DAY 3 3
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ335>337-202115-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (+4) 62 (+3) 82
RH % (24H TREND) 51 (-3) 100 (+1) 50
WIND 20FT/EARLY(MPH) SW 6 S 8 SW 8
WIND 20FT/LATE(MPH) S 11 S 7 S 12
MAX/MIN MIX HGT(M) 1150 770
MAX/MIN MIX HGT(FT) 3780 2520
TRANSPORT WND (KTS) S 13 S 14
TRANSPORT WND (M/S) S 7 S 7
VENT RATE (M/S-M) 8050 5390
CATEGORY DAY 4 3
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...MODERATE
TXZ436>439-202115-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
643 AM CDT FRI MAR 20 2026
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+5) 63 (-1) 78
RH % (24H TREND) 61 (-2) 99 (+5) 61
WIND 20FT/EARLY(MPH) SW 8 S 11 SW 9
WIND 20FT/LATE(MPH) S 11 S 10 S 13
MAX/MIN MIX HGT(M) 960 660
MAX/MIN MIX HGT(FT) 3150 2170
TRANSPORT WND (KTS) SW 12 SW 15
TRANSPORT WND (M/S) SW 6 SW 8
VENT RATE (M/S-M) 5760 5280
CATEGORY DAY 3 3
SUNSHINE HOURS 10 10
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLEAR. PATCHY FOG THROUGH THE DAY. LOWS IN THE
MID 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLEAR. PATCHY FOG THROUGH THE DAY. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 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.
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