164
FNUS54 KHGX 181102
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
602 AM CDT WED MAR 18 2026
DISCUSSION
WINDS WILL GENERALLY LIGHT AND FROM THE SOUTH TO SOUTHWEST TODAY
AND TOMORROW. HOWEVER, A PERIOD OF SOUTHEASTERLY WINDS IS POSSIBLE
LATE IN THE AFTERNOON AND INTO THE EARLY EVENING FOR OUR SOUTHERN
AND COASTAL ZONES. AFTERNOON RH VALUES ARE EXPECTED TO DROP
INTO THE 30 TO 40 PERCENT RANGE ACROSS MOST OF THE REGION. COASTAL
AREAS SHOULD DROP INTO THE 40 TO 50 PERCENT RANGE.
TXZ163-164-182130-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 74 (+13) 47 (+6) 81
RH % (24H TREND) 34 (+11) 100 (+15) 39
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 LGT/VAR SW 5
MAX/MIN MIX HGT(M) 1410 1330
MAX/MIN MIX HGT(FT) 4620 4370
TRANSPORT WND (KTS) SW 12 SW 11
TRANSPORT WND (M/S) SW 6 SW 6
VENT RATE (M/S-M) 8460 7980
CATEGORY DAY 4 3
SUNSHINE HOURS 9 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-177-195>198-182130-
BRAZOS-BURLESON-GRIMES-MADISON-WALKER-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, HUNTSVILLE, MADISONVILLE, NAVASOTA,
AND SOMERVILLE
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 77 (+14) 47 (+5) 83
RH % (24H TREND) 34 (+11) 100 (+15) 35
WIND 20FT/EARLY(MPH) S 5 S 6 SW 5
WIND 20FT/LATE(MPH) S 7 S 5 SW 7
MAX/MIN MIX HGT(M) 1470 1440
MAX/MIN MIX HGT(FT) 4830 4740
TRANSPORT WND (KTS) S 10 SW 10
TRANSPORT WND (M/S) S 5 SW 5
VENT RATE (M/S-M) 7350 7200
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ178-179-199-200-182130-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, LIBERTY, LIVINGSTON, SHEPHERD, AND THE WOODLANDS
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+14) 49 (+7) 82
RH % (24H TREND) 34 (+11) 100 (+16) 35
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) S 5 LGT/VAR SW 5
MAX/MIN MIX HGT(M) 1550 1370
MAX/MIN MIX HGT(FT) 5090 4480
TRANSPORT WND (KTS) S 9 SW 9
TRANSPORT WND (M/S) S 5 SW 5
VENT RATE (M/S-M) 7750 6850
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-182130-
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
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 76 (+13) 50 (+5) 83
RH % (24H TREND) 35 (+12) 99 (+13) 35
WIND 20FT/EARLY(MPH) LGT/VAR S 6 LGT/VAR
WIND 20FT/LATE(MPH) S 8 LGT/VAR SW 6
MAX/MIN MIX HGT(M) 1590 1500
MAX/MIN MIX HGT(FT) 5230 4910
TRANSPORT WND (KTS) S 9 SW 8
TRANSPORT WND (M/S) S 5 SW 4
VENT RATE (M/S-M) 7950 6000
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-182130-
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
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
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 (+13) 49 (+5) 83
RH % (24H TREND) 35 (+14) 100 (+11) 33
WIND 20FT/EARLY(MPH) LGT/VAR S 6 LGT/VAR
WIND 20FT/LATE(MPH) S 8 LGT/VAR S 7
MAX/MIN MIX HGT(M) 1510 1520
MAX/MIN MIX HGT(FT) 4950 4980
TRANSPORT WND (KTS) S 9 SW 8
TRANSPORT WND (M/S) S 5 SW 4
VENT RATE (M/S-M) 7550 6080
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-182130-
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
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+13) 52 (+5) 79
RH % (24H TREND) 42 (+16) 97 (+16) 42
WIND 20FT/EARLY(MPH) S 6 S 7 LGT/VAR
WIND 20FT/LATE(MPH) S 9 LGT/VAR S 9
MAX/MIN MIX HGT(M) 1440 1400
MAX/MIN MIX HGT(FT) 4720 4600
TRANSPORT WND (KTS) S 10 SW 9
TRANSPORT WND (M/S) S 5 SW 5
VENT RATE (M/S-M) 7200 7000
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-182130-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 73 (+11) 54 (+4) 79
RH % (24H TREND) 45 (+15) 95 (+15) 45
WIND 20FT/EARLY(MPH) S 7 SE 6 LGT/VAR
WIND 20FT/LATE(MPH) S 10 LGT/VAR S 9
MAX/MIN MIX HGT(M) 1360 1350
MAX/MIN MIX HGT(FT) 4470 4430
TRANSPORT WND (KTS) S 10 SW 9
TRANSPORT WND (M/S) S 5 SW 5
VENT RATE (M/S-M) 6800 6750
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-182130-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
602 AM CDT WED MAR 18 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 70 (+10) 60 (+6) 75
RH % (24H TREND) 48 (+14) 83 (+15) 53
WIND 20FT/EARLY(MPH) S 10 S 9 SW 7
WIND 20FT/LATE(MPH) S 10 S 7 S 9
MAX/MIN MIX HGT(M) 1280 1020
MAX/MIN MIX HGT(FT) 4210 3360
TRANSPORT WND (KTS) S 11 SW 10
TRANSPORT WND (M/S) S 6 SW 5
VENT RATE (M/S-M) 7680 5100
CATEGORY DAY 3 3
SUNSHINE HOURS 10 11
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY
CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 10 MPH.
MONDAY
CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH.
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