417
FNUS54 KHGX 122018
FWFHGX
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
318 PM CDT SUN APR 12 2026
DISCUSSION
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL REMAIN
POSSIBLE THROUGH TONIGHT WITH THE HIGHEST COVERAGE LIKELY
BEING ALONG AND NORTH OF I-10. GUSTY WINDS, HAIL, AND HEAVY
RAINFALL WILL BE POSSIBLE WITH LOCALIZED RAIN TOTALS NEAR
OVER 3" POSSIBLE. SOUTHEASTERLY TO SOUTHERLY WINDS WILL
CONTINUE THROUGHOUT THE WEEK WITH AFTERNOON WIND GUSTS
RISING TO AROUND 20-25 MPH ESPECIALLY CLOSER TO THE COAST.
RAIN CHANCES LOWER BY MONDAY, BUT ISOLATED AFTERNOON
SHOWERS WILL BE POSSIBLE THROUGH AT LEAST MIDWEEK.
AFTERNOON MINIMUM RH VALUES ARE EXPECTED TO RANGE FROM 60
TO 80 PERCENT ON MONDAY THEN IN THE 50 TO 60 PERCENT RANGE
GOING INTO MIDWEEK.
TXZ163-164-131000-
HOUSTON-TRINITY-
INCLUDING THE CITIES OF CROCKETT, GROVETON, AND TRINITY
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 20 0 0
CHANCE OF THUNDER (%) 50 20 0 0
TEMP (24H TREND) 66 (0) 82 (+3) 66 85
RH % (24H TREND) 100 (+5) 57 (-17) 99 52
WIND 20FT/EARLY(MPH) SE 7 G18 S 8 S 7 S 7
WIND 20FT/LATE(MPH) S 7 S 9 S 6 S 10
MAX/MIN MIX HGT(M) 1350 1690
MAX/MIN MIX HGT(FT) 4440 5550
TRANSPORT WND (KTS) S 17 S 16
TRANSPORT WND (M/S) S 9 S 8
VENT RATE (M/S-M) 12150 13520
CATEGORY DAY 4 4
SUNSHINE HOURS 3 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ176-195>198-131000-
BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON-
INCLUDING THE CITIES OF BRENHAM, BRYAN, CALDWELL,
COLLEGE STATION, MADISONVILLE, NAVASOTA, AND SOMERVILLE
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 20 0 0
CHANCE OF THUNDER (%) 50 20 0 0
TEMP (24H TREND) 68 (-1) 83 (+6) 67 85
RH % (24H TREND) 99 (+5) 60 (-23) 96 54
WIND 20FT/EARLY(MPH) SE 9 G19 S 10 S 10 G17 S 9 G17
WIND 20FT/LATE(MPH) SE 8 G17 S 12 S 8 S 13
MAX/MIN MIX HGT(M) 1450 1690
MAX/MIN MIX HGT(FT) 4760 5550
TRANSPORT WND (KTS) S 18 S 18
TRANSPORT WND (M/S) S 9 S 9
VENT RATE (M/S-M) 13050 15210
CATEGORY DAY 4 4
SUNSHINE HOURS 3 3
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ177>179-199-200-131000-
MONTGOMERY-NORTHERN LIBERTY-POLK-SAN JACINTO-WALKER-
INCLUDING THE CITIES OF CLEVELAND, COLDSPRING, CONROE, CORRIGAN,
DAYTON, HUNTSVILLE, LIBERTY, LIVINGSTON, SHEPHERD,
AND THE WOODLANDS
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 40 20 0 0
CHANCE OF THUNDER (%) 40 20 0 0
TEMP (24H TREND) 67 (0) 83 (+3) 66 86
RH % (24H TREND) 100 (+5) 58 (-15) 98 50
WIND 20FT/EARLY(MPH) SE 7 G18 S 7 G17 S 7 G17 S 6
WIND 20FT/LATE(MPH) S 5 S 10 G17 S 6 S 10 G18
MAX/MIN MIX HGT(M) 1390 1710
MAX/MIN MIX HGT(FT) 4550 5620
TRANSPORT WND (KTS) S 16 S 15
TRANSPORT WND (M/S) S 8 S 8
VENT RATE (M/S-M) 11120 13680
CATEGORY DAY 4 4
SUNSHINE HOURS 3 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ212-213-227-237-238-131000-
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
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 20 0 0
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 70 (0) 83 (+3) 68 85
RH % (24H TREND) 95 (+1) 61 (-13) 97 53
WIND 20FT/EARLY(MPH) SE 10 G19 S 10 G17 SE 9 G17 S 8
WIND 20FT/LATE(MPH) SE 7 S 13 SE 6 S 13
MAX/MIN MIX HGT(M) 1410 1580
MAX/MIN MIX HGT(FT) 4630 5190
TRANSPORT WND (KTS) S 17 S 16
TRANSPORT WND (M/S) S 9 S 8
VENT RATE (M/S-M) 12690 12640
CATEGORY DAY 4 4
SUNSHINE HOURS 4 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ210-211-226-235-236-131000-
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
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 30 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 70 (0) 83 (+4) 68 85
RH % (24H TREND) 97 (+2) 60 (-17) 97 53
WIND 20FT/EARLY(MPH) SE 10 G21 S 11 G19 SE 10 G18 SE 9 G19
WIND 20FT/LATE(MPH) SE 8 S 14 SE 7 S 15
MAX/MIN MIX HGT(M) 1450 1630
MAX/MIN MIX HGT(FT) 4750 5360
TRANSPORT WND (KTS) S 17 S 17
TRANSPORT WND (M/S) S 9 S 9
VENT RATE (M/S-M) 13050 14670
CATEGORY DAY 4 4
SUNSHINE HOURS 4 4
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ214-300-313-338-131000-
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
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 69 (-1) 81 (+2) 68 83
RH % (24H TREND) 95 (+2) 64 (-9) 98 58
WIND 20FT/EARLY(MPH) SE 10 G20 S 11 G18 SE 9 S 9
WIND 20FT/LATE(MPH) SE 8 G17 S 13 S 7 S 13
MAX/MIN MIX HGT(M) 1260 1450
MAX/MIN MIX HGT(FT) 4140 4760
TRANSPORT WND (KTS) S 16 S 15
TRANSPORT WND (M/S) S 8 S 8
VENT RATE (M/S-M) 10080 11600
CATEGORY DAY 4 4
SUNSHINE HOURS 4 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ335>337-131000-
COASTAL BRAZORIA-COASTAL JACKSON-COASTAL MATAGORDA-
INCLUDING THE CITIES OF CLUTE, FREEPORT, LAKE JACKSON,
AND PALACIOS
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 70 (-1) 82 (+3) 69 82
RH % (24H TREND) 95 (+1) 66 (-14) 97 64
WIND 20FT/EARLY(MPH) SE 12 G21 SE 12 SE 10 G18 SE 10 G18
WIND 20FT/LATE(MPH) SE 9 G17 S 14 SE 8 SE 14
MAX/MIN MIX HGT(M) 1170 1420
MAX/MIN MIX HGT(FT) 3840 4670
TRANSPORT WND (KTS) S 17 S 17
TRANSPORT WND (M/S) S 9 S 9
VENT RATE (M/S-M) 10530 12780
CATEGORY DAY 4 4
SUNSHINE HOURS 4 5
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
TXZ436>439-131000-
BOLIVAR PENINSULA-BRAZORIA ISLANDS-GALVESTON ISLAND-
MATAGORDA ISLANDS-
INCLUDING THE CITIES OF GALVESTON AND SURFSIDE BEACH
318 PM CDT SUN APR 12 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE NONE
CHANCE PRECIP (%) 20 0 0 0
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 71 (-1) 78 (+2) 71 78
RH % (24H TREND) 94 (0) 76 (-8) 94 72
WIND 20FT/EARLY(MPH) SE 15 SE 13 SE 12 SE 12
WIND 20FT/LATE(MPH) SE 12 SE 13 SE 12 SE 14
MAX/MIN MIX HGT(M) 1000 1090
MAX/MIN MIX HGT(FT) 3280 3570
TRANSPORT WND (KTS) S 16 S 16
TRANSPORT WND (M/S) S 8 S 8
VENT RATE (M/S-M) 8000 8720
CATEGORY DAY 4 4
SUNSHINE HOURS 5 6
REMARKS...
FOG POTENTIAL (FIRST 24 HOURS)...LOW
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 70. HIGHS IN THE LOWER
80S. SOUTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 70. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 70. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS 10 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
10 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
70S. NORTH WINDS AROUND 10 MPH.
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