510
FNUS54 KHGX 120510
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1210 AM CDT TUE MAY 12 2026
DISCUSSION
LIGHT NORTHEAST WINDS WILL PERSIST TODAY, THOUGH LOCATIONS SOUTH OF
I-10 MAY SEE A LATE DAY SEABREEZE CAUSING WINDS TO BECOME SOUTHEAST
INTO THE EVEING. LIGHT VARIABLE WINDS EXPECTED WEDNESDAY. AFTERNOON MINIMUM
RH VALUES WILL BE BETWEEN 45-65% TODAY, THEN 35 TO 55 PERCENT ON
WEDNESDAY (A BIT HIGHER NEAR THE IMMEDIAT COAST).
TXZ163-164-122115-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 83 (+4) 58 (-2) 88
RH % (24H TREND) 39 (-22) 95 (0) 36
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) 1870 1850
MAX/MIN MIX HGT(FT) 6150 6080
TRANSPORT WND (KTS) NE 4 NE 6
TRANSPORT WND (M/S) NE 2 NE 3
VENT RATE (M/S-M) 3740 5550
CATEGORY DAY 2 3
SUNSHINE HOURS 13 14
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ176-195>198-122115-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (+2) 61 (-2) 86
RH % (24H TREND) 46 (-21) 94 (-1) 40
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) 1820 1750
MAX/MIN MIX HGT(FT) 5970 5730
TRANSPORT WND (KTS) NE 5 NE 4
TRANSPORT WND (M/S) NE 3 NE 2
VENT RATE (M/S-M) 5460 3500
CATEGORY DAY 3 2
SUNSHINE HOURS 12 14
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ177>179-199-200-122115-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 85 (+4) 62 (-1) 89
RH % (24H TREND) 41 (-20) 94 (0) 35
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) 1890 1910
MAX/MIN MIX HGT(FT) 6190 6260
TRANSPORT WND (KTS) NE 5 N 5
TRANSPORT WND (M/S) NE 3 N 3
VENT RATE (M/S-M) 5670 5730
CATEGORY DAY 3 3
SUNSHINE HOURS 13 14
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ212-213-227-237-238-122115-
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
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+1) 63 (-3) 89
RH % (24H TREND) 45 (-16) 98 (+6) 38
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) 1940 1980
MAX/MIN MIX HGT(FT) 6370 6500
TRANSPORT WND (KTS) NE 5 N 4
TRANSPORT WND (M/S) NE 3 N 2
VENT RATE (M/S-M) 5820 3960
CATEGORY DAY 3 2
SUNSHINE HOURS 11 13
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ210-211-226-235-236-122115-
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
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
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 (+2) 63 (-2) 89
RH % (24H TREND) 45 (-15) 98 (+3) 37
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) 1970 2040
MAX/MIN MIX HGT(FT) 6480 6700
TRANSPORT WND (KTS) NE 5 NE 3
TRANSPORT WND (M/S) NE 3 NE 2
VENT RATE (M/S-M) 5910 4080
CATEGORY DAY 3 3
SUNSHINE HOURS 11 13
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ214-300-313-338-122115-
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
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 84 (+2) 65 (-1) 87
RH % (24H TREND) 50 (-16) 94 (+3) 42
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
MAX/MIN MIX HGT(M) 1860 1880
MAX/MIN MIX HGT(FT) 6120 6170
TRANSPORT WND (KTS) N 6 N 5
TRANSPORT WND (M/S) N 3 N 3
VENT RATE (M/S-M) 5580 5640
CATEGORY DAY 3 3
SUNSHINE HOURS 10 13
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ335>337-122115-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
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 (+2) 65 (-2) 89
RH % (24H TREND) 48 (-16) 95 (+4) 43
WIND 20FT/EARLY(MPH) NE 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) E 5 LGT/VAR SE 5
MAX/MIN MIX HGT(M) 1950 1930
MAX/MIN MIX HGT(FT) 6390 6350
TRANSPORT WND (KTS) NE 5 NE 4
TRANSPORT WND (M/S) NE 3 NE 2
VENT RATE (M/S-M) 5850 3860
CATEGORY DAY 3 2
SUNSHINE HOURS 10 12
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
TXZ436>439-122115-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
1210 AM CDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+2) 69 (-1) 84
RH % (24H TREND) 58 (-12) 92 (+3) 56
WIND 20FT/EARLY(MPH) NE 7 S 5 LGT/VAR
WIND 20FT/LATE(MPH) E 6 LGT/VAR SE 6
MAX/MIN MIX HGT(M) 1290 1550
MAX/MIN MIX HGT(FT) 4230 5080
TRANSPORT WND (KTS) NE 7 NE 4
TRANSPORT WND (M/S) NE 4 NE 2
VENT RATE (M/S-M) 5160 3100
CATEGORY DAY 3 2
SUNSHINE HOURS 10 13
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S. HIGHS IN THE MID
80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS IN THE MID 70S. HIGHS IN THE MID
80S. SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 70S. HIGHS IN THE MID
80S. SOUTHEAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 10 MPH.
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