914
FNUS54 KLCH 182009
FWFLCH
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
308 PM GMT MON MAY 18 2026
DISCUSSION
BREEZY SOUTHERLY WINDS GUSTING AS HIGH AS 30 KNOTS
WILL CONTINUE THIS AFTERNOON BEFORE DIMINISHING THIS EVENING.
DEWPOINTS IN THE 70S WILL KEEP MINIMUM RH VALUES IN THE 60-70% RANGE
THIS WEEK. A WET PATTERN WILL GET UNDERWAY TUESDAY EVENING THROUGH
EARLY NEXT WEEK AS A STALLED FRONTAL BOUNDARY AND A SERIES OF UPPER
LEVEL DISTURBANCES PROVIDE WAVES OF PRECIPITATION EACH DAY.
TXZ180-190900-
TYLER-
INCLUDING THE CITIES OF TOWN BLUFF, FRED, HILLISTER, IVANHOE,
SPURGER, WARREN, AND WOODVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 90
TEMP (24H TREND) 76 (-1) 90 (+1) 73 85
RH % (24H TREND) 90 (0) 57 (-6) 98 82
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) SE 7 G20 S 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.24 0.61
PRECIP DURATION 2 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1430 140 860
MIXING HGT(FT-AGL/MSL)540 4680 450 2830
TRANSPORT WND (M/S) S 7 S 7 S 4 SE 4
TRANSPORT WND (MPH) S 16 S 16 S 9 SE 9
VENT RATE (M/S-M) 1190 10010 560 3440
DISPERSION POOR VERY GOOD POOR FAIR
CATEGORY DAY 1 4 1 2
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 2 6 5
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ201-190900-
HARDIN-
INCLUDING THE CITIES OF LUMBERTON AND SILSBEE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 90
TEMP (24H TREND) 76 (-1) 90 (+2) 73 86
RH % (24H TREND) 90 (0) 60 (-8) 97 80
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) SE 6 G18 S 7 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.33 0.45
PRECIP DURATION 2 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1350 140 830
MIXING HGT(FT-AGL/MSL)570 4440 440 2740
TRANSPORT WND (M/S) S 7 S 7 SE 4 SE 4
TRANSPORT WND (MPH) S 15 S 16 SE 9 SE 9
VENT RATE (M/S-M) 1190 9450 560 3320
DISPERSION POOR VERY GOOD POOR FAIR
CATEGORY DAY 1 4 1 2
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 4
MIX HGT 500 75 76
KEETCH-BYRAM 301-400 301-400 301-400 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
LIGHT WINDS.
TXZ259-190900-
NORTHERN JASPER-
INCLUDING THE CITIES OF HOLLY SPRINGS, JASPER, KIRBYVILLE,
MAGNOLIA SPRINGS, MT. UNION, AND ROGANVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 90
TEMP (24H TREND) 76 (-1) 91 (+2) 73 85
RH % (24H TREND) 90 (0) 57 (-6) 98 80
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 G19 S 9 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.17 0.62
PRECIP DURATION 2 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1430 140 770
MIXING HGT(FT-AGL/MSL)500 4700 440 2510
TRANSPORT WND (M/S) S 7 S 7 S 4 SE 4
TRANSPORT WND (MPH) S 15 S 16 S 9 SE 8
VENT RATE (M/S-M) 1050 10010 560 3080
DISPERSION POOR VERY GOOD POOR FAIR
CATEGORY DAY 1 4 1 2
MAX LVORI EARLY 4 5 6 7
MAX LVORI LATE 5 2 6 5
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ261-190900-
SOUTHERN JASPER-
INCLUDING THE CITIES OF GIST, BUNA, AND EVADALE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 80
TEMP (24H TREND) 77 (0) 88 (+1) 74 85
RH % (24H TREND) 88 (-2) 60 (-7) 95 76
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) SE 7 G18 S 9 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.24 0.46
PRECIP DURATION 2 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1340 130 810
MIXING HGT(FT-AGL/MSL)550 4400 440 2660
TRANSPORT WND (M/S) SE 7 S 8 SE 4 SE 5
TRANSPORT WND (MPH) SE 16 S 17 SE 8 SE 10
VENT RATE (M/S-M) 1190 10720 520 4050
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 4 3 6 4
MIX HGT 500 75 76
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
LIGHT WINDS.
TXZ260-190900-
NORTHERN NEWTON-
INCLUDING THE CITIES OF BURKEVILLE, FARRSVILLE, JAMESTOWN,
NEWTON, WIERGATE, BLEAKWOOD, AND CALL
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 90
TEMP (24H TREND) 76 (0) 89 (+1) 72 84
RH % (24H TREND) 91 (0) 57 (-5) 99 80
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) S 8 G18 S 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.15 0.53
PRECIP DURATION 2 6
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1390 130 790
MIXING HGT(FT-AGL/MSL)470 4580 440 2580
TRANSPORT WND (M/S) S 7 S 7 SE 3 SE 4
TRANSPORT WND (MPH) S 15 S 15 SE 7 SE 8
VENT RATE (M/S-M) 980 9730 390 3160
DISPERSION POOR VERY GOOD POOR FAIR
CATEGORY DAY 1 4 1 2
MAX LVORI EARLY 4 5 6 7
MAX LVORI LATE 5 3 6 5
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ262-190900-
SOUTHERN NEWTON-
INCLUDING THE CITY OF DEWEYVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 80
TEMP (24H TREND) 77 (0) 88 (+1) 74 85
RH % (24H TREND) 89 (+1) 62 (-4) 96 74
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 G17 S 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.19 0.41
PRECIP DURATION 2 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1310 130 830
MIXING HGT(FT-AGL/MSL)540 4310 440 2730
TRANSPORT WND (M/S) S 7 S 8 SE 4 SE 5
TRANSPORT WND (MPH) S 15 S 17 SE 8 SE 10
VENT RATE (M/S-M) 1190 10480 520 4150
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 4 3 6 3
MIX HGT 500 75 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ515-190900-
UPPER JEFFERSON-
INCLUDING THE CITIES OF BEAUMONT AND CHINA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 80
TEMP (24H TREND) 77 (0) 88 (+1) 74 86
RH % (24H TREND) 91 (+2) 64 (-7) 96 74
20FTWND-VAL/AM(MPH) SE 7 LGT/VAR
20FTWND-RDG/PM(MPH) SE 10 G18 SE 11 SE 6 S 5
PRECIP AMOUNT 0.00 0.00 0.31 0.34
PRECIP DURATION 2 10
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1240 130 900
MIXING HGT(FT-AGL/MSL)560 4080 440 2950
TRANSPORT WND (M/S) S 8 S 8 SE 4 S 5
TRANSPORT WND (MPH) S 17 S 17 SE 9 S 12
VENT RATE (M/S-M) 1360 9920 520 4500
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 4 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 201-300 301-400 301-400 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ615-190900-
LOWER JEFFERSON-
INCLUDING THE CITIES OF NEDERLAND, PORT ARTHUR,
SEA RIM STATE PARK, AND SABINE PASS
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 60
TEMP (24H TREND) 79 (0) 87 (+1) 76 87
RH % (24H TREND) 92 (+3) 67 (-8) 94 72
20FTWND-VAL/AM(MPH) SE 10 SE 6
20FTWND-RDG/PM(MPH) SE 13 SE 13 SE 8 SE 8
PRECIP AMOUNT 0.00 0.00 0.20 0.18
PRECIP DURATION 2 5
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1110 130 920
MIXING HGT(FT-AGL/MSL)500 3650 420 3020
TRANSPORT WND (M/S) SE 8 SE 8 SE 5 SE 6
TRANSPORT WND (MPH) SE 18 SE 18 SE 10 SE 13
VENT RATE (M/S-M) 1200 8880 650 5520
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 4 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID 70S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTH
WINDS AROUND 5 MPH.
TXZ516-190900-
NORTHERN ORANGE-
INCLUDING THE CITY OF MAURICEVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 70
TEMP (24H TREND) 78 (0) 87 (+1) 74 85
RH % (24H TREND) 88 (0) 66 (-4) 94 75
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 9 G18 SE 10 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.15 0.39
PRECIP DURATION 2 8
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1230 130 800
MIXING HGT(FT-AGL/MSL)550 4050 440 2620
TRANSPORT WND (M/S) S 6 S 7 SE 4 SE 5
TRANSPORT WND (MPH) S 14 S 16 SE 8 SE 10
VENT RATE (M/S-M) 1020 8610 520 4000
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 4 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
TXZ616-190900-
SOUTHERN ORANGE-
INCLUDING THE CITIES OF ORANGE, BRIDGE CITY, AND VIDOR
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 70
TEMP (24H TREND) 78 (0) 86 (0) 76 86
RH % (24H TREND) 88 (+1) 67 (-5) 93 74
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 11 G18 SE 11 SE 6 S 6
PRECIP AMOUNT 0.00 0.00 0.13 0.28
PRECIP DURATION 2 5
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1150 140 890
MIXING HGT(FT-AGL/MSL)540 3780 440 2930
TRANSPORT WND (M/S) S 7 S 8 S 4 SE 5
TRANSPORT WND (MPH) S 16 S 17 S 9 SE 12
VENT RATE (M/S-M) 1190 9200 560 4450
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 4 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID 70S.
HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTH
WINDS AROUND 5 MPH.
LAZ027-190900-
VERNON-
INCLUDING THE CITIES OF FORT POLK, PICKERING, LEESVILLE,
AND SLAGLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40 80
TEMP (24H TREND) 75 (-1) 90 (+1) 72 85
RH % (24H TREND) 91 (-1) 57 (+1) 100 73
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) S 6 S 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09 0.43
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1340 130 1020
MIXING HGT(FT-AGL/MSL)500 4400 440 3360
TRANSPORT WND (M/S) S 8 S 7 SE 3 SE 4
TRANSPORT WND (MPH) S 18 S 15 SE 7 SE 9
VENT RATE (M/S-M) 1200 9380 390 4080
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 1 6 3
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS AROUND 70.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST
WINDS AROUND 5 MPH.
LAZ028-190900-
RAPIDES-
INCLUDING THE CITIES OF ALEXANDRIA AND PINEVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50 80
TEMP (24H TREND) 75 (0) 90 (0) 71 86
RH % (24H TREND) 90 (-3) 57 (+1) 98 72
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) S 6 S 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.22 0.36
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1290 130 1040
MIXING HGT(FT-AGL/MSL)460 4240 430 3400
TRANSPORT WND (M/S) S 6 S 6 S 3 SE 4
TRANSPORT WND (MPH) S 14 S 14 S 7 SE 8
VENT RATE (M/S-M) 840 7740 390 4160
DISPERSION POOR GOOD POOR GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 2 6 3
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS AROUND 70.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS AROUND 70.
HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTH
WINDS AROUND 5 MPH.
LAZ029-190900-
AVOYELLES-
INCLUDING THE CITIES OF EFFIE, MARKSVILLE, BUNKIE, COTTONPORT,
SIMMESPORT, AND MANSURA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60 70
TEMP (24H TREND) 74 (0) 90 (+1) 71 86
RH % (24H TREND) 91 (-4) 62 (+2) 97 76
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) S 6 S 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.19 0.32
PRECIP DURATION 1 2 5
PRECIP BEGIN 1 PM CONTINUING 6 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT(M-AGL/MSL) 140 1250 130 1100
MIXING HGT(FT-AGL/MSL)450 4110 420 3610
TRANSPORT WND (M/S) S 6 S 6 S 3 SE 4
TRANSPORT WND (MPH) S 13 S 14 S 7 SE 8
VENT RATE (M/S-M) 840 7500 390 4400
DISPERSION POOR GOOD POOR GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 2 6 4
MIX HGT 500 76 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS AROUND 70.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
LAZ030-190900-
BEAUREGARD-
INCLUDING THE CITIES OF BUNDICK LAKE, DE RIDDER, FIELDS,
AND ORETTA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40 80
TEMP (24H TREND) 76 (0) 89 (+1) 73 85
RH % (24H TREND) 92 (+2) 58 (-1) 99 73
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) SE 6 G17 S 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.43
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1360 130 1070
MIXING HGT(FT-AGL/MSL)560 4480 440 3510
TRANSPORT WND (M/S) S 6 S 7 SE 3 SE 4
TRANSPORT WND (MPH) S 14 S 16 SE 7 SE 9
VENT RATE (M/S-M) 1020 9520 390 4280
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 7
MAX LVORI LATE 5 2 6 4
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ031-190900-
ALLEN-
INCLUDING THE CITIES OF OAKDALE AND KINDER
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40 80
TEMP (24H TREND) 75 (-1) 89 (+1) 72 85
RH % (24H TREND) 90 (-1) 57 (0) 97 70
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.04 0.41
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1260 130 1070
MIXING HGT(FT-AGL/MSL)500 4140 430 3520
TRANSPORT WND (M/S) S 6 S 7 SE 4 SE 4
TRANSPORT WND (MPH) S 13 S 15 SE 8 SE 9
VENT RATE (M/S-M) 900 8820 520 4280
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 2 6 4
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
LIGHT WINDS.
LAZ032-190900-
EVANGELINE-
INCLUDING THE CITIES OF VILLE PLATTE, BEAVER, ST. LANDRY, MAMOU,
AND REDDELL
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 40 80
TEMP (24H TREND) 75 (0) 89 (+1) 72 85
RH % (24H TREND) 89 (-2) 60 (+1) 93 74
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) S 5 S 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.08 0.35
PRECIP DURATION 1 1 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1320 130 1100
MIXING HGT(FT-AGL/MSL)470 4320 420 3620
TRANSPORT WND (M/S) S 7 S 7 SE 3 SE 4
TRANSPORT WND (MPH) S 15 S 15 SE 7 SE 9
VENT RATE (M/S-M) 980 9240 390 4400
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 2 6 3
MIX HGT 500 76 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. LIGHT WINDS.
SUNDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ033-190900-
ST. LANDRY-
INCLUDING THE CITIES OF LAWTELL, OPELOUSAS, AND EUNICE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50 80
TEMP (24H TREND) 74 (0) 89 (+1) 71 86
RH % (24H TREND) 94 (0) 65 (+4) 99 77
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) S 7 S 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.17 0.34
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1220 120 1200
MIXING HGT(FT-AGL/MSL)460 4000 380 3930
TRANSPORT WND (M/S) S 6 S 6 SE 4 SE 4
TRANSPORT WND (MPH) S 14 S 14 SE 8 SE 9
VENT RATE (M/S-M) 840 7320 480 4800
DISPERSION POOR GOOD POOR GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 4
MIX HGT 500 75 76
KEETCH-BYRAM < 200 201-300 201-300 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. THUNDERSTORMS LIKELY AND A CHANCE OF
SHOWERS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ141-190900-
NORTHERN CALCASIEU-
INCLUDING THE CITIES OF DE QUINCY, MOSS BLUFF, SULPHUR, WESTLAKE,
AND VINTON
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 80
TEMP (24H TREND) 77 (0) 87 (0) 74 86
RH % (24H TREND) 90 (0) 62 (-3) 97 73
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 G18 S 10 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.34
PRECIP DURATION 2 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 160 1300 130 960
MIXING HGT(FT-AGL/MSL)540 4260 430 3140
TRANSPORT WND (M/S) S 6 S 7 SE 4 SE 5
TRANSPORT WND (MPH) S 14 S 16 SE 9 SE 10
VENT RATE (M/S-M) 960 9100 520 4800
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ241-190900-
SOUTHERN CALCASIEU-
INCLUDING THE CITIES OF LAKE CHARLES, CARLYSS, BELL CITY, HAYES,
AND IOWA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 70
TEMP (24H TREND) 77 (0) 88 (+1) 75 86
RH % (24H TREND) 91 (+1) 62 (-5) 96 70
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 12 G20 S 12 SE 7 S 7
PRECIP AMOUNT 0.00 0.00 0.07 0.26
PRECIP DURATION 1 5
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 160 1190 130 1020
MIXING HGT(FT-AGL/MSL)520 3920 420 3350
TRANSPORT WND (M/S) S 7 S 8 SE 4 SE 5
TRANSPORT WND (MPH) S 15 S 17 SE 8 SE 12
VENT RATE (M/S-M) 1120 9520 520 5100
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID 70S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
LAZ142-190900-
NORTHERN JEFFERSON DAVIS-
INCLUDING THE CITIES OF HATHAWAY, JENNINGS, TOPSY, FENTON, WELSH,
AND ELTON
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40 90
TEMP (24H TREND) 75 (-1) 87 (0) 73 85
RH % (24H TREND) 93 (0) 60 (-3) 97 72
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 G17 S 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.04 0.38
PRECIP DURATION 1 1 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1270 130 1060
MIXING HGT(FT-AGL/MSL)470 4180 420 3470
TRANSPORT WND (M/S) S 7 S 7 SE 4 SE 4
TRANSPORT WND (MPH) S 15 S 15 SE 8 SE 9
VENT RATE (M/S-M) 980 8890 520 4240
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 201-300 201-300 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
LAZ242-190900-
SOUTHERN JEFFERSON DAVIS-
INCLUDING THE CITY OF LAKE ARTHUR
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 80
TEMP (24H TREND) 77 (+1) 87 (+1) 74 85
RH % (24H TREND) 92 (-3) 62 (-4) 96 72
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 11 G20 S 11 SE 6 S 6
PRECIP AMOUNT 0.00 0.00 0.06 0.30
PRECIP DURATION 1 6
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1170 130 1060
MIXING HGT(FT-AGL/MSL)470 3840 420 3490
TRANSPORT WND (M/S) SE 7 S 7 SE 4 SE 5
TRANSPORT WND (MPH) SE 15 S 16 SE 8 SE 10
VENT RATE (M/S-M) 980 8190 520 5300
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ143-190900-
NORTHERN ACADIA-
INCLUDING THE CITIES OF CROWLEY, RAYNE, BRANCH, CHURCH POINT,
AND IOTA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 30 80
TEMP (24H TREND) 76 (0) 87 (0) 73 85
RH % (24H TREND) 90 (-3) 63 (-2) 94 75
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 G17 S 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.33
PRECIP DURATION 0 1 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1250 130 1190
MIXING HGT(FT-AGL/MSL)460 4090 430 3890
TRANSPORT WND (M/S) SE 7 S 7 SE 4 SE 4
TRANSPORT WND (MPH) SE 16 S 15 SE 8 SE 9
VENT RATE (M/S-M) 980 8750 520 4760
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ243-190900-
SOUTHERN ACADIA-
INCLUDING THE CITY OF MORSE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 80
TEMP (24H TREND) 77 (+1) 87 (0) 74 85
RH % (24H TREND) 91 (-3) 63 (-3) 94 71
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 11 S 11 SE 6 SE 5
PRECIP AMOUNT 0.00 0.00 0.05 0.28
PRECIP DURATION 1 6
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 130 1180 130 1110
MIXING HGT(FT-AGL/MSL)440 3870 440 3640
TRANSPORT WND (M/S) SE 7 S 7 SE 3 SE 4
TRANSPORT WND (MPH) SE 16 S 16 SE 7 SE 9
VENT RATE (M/S-M) 910 8260 390 4440
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID 70S.
HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTH
WINDS AROUND 5 MPH.
LAZ044-190900-
LAFAYETTE-
INCLUDING THE CITY OF LAFAYETTE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 40 80
TEMP (24H TREND) 75 (0) 88 (+1) 72 86
RH % (24H TREND) 93 (-1) 65 (0) 97 72
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 10 G18 S 11 S 6 S 5
PRECIP AMOUNT 0.00 0.01 0.02 0.25
PRECIP DURATION 1 1 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1150 130 1210
MIXING HGT(FT-AGL/MSL)480 3770 420 3980
TRANSPORT WND (M/S) SE 7 S 8 SE 4 SE 4
TRANSPORT WND (MPH) SE 15 S 17 SE 8 SE 9
VENT RATE (M/S-M) 1050 9200 520 4840
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
LAZ045-190900-
UPPER ST. MARTIN-
INCLUDING THE CITIES OF BREAUX BRIDGE, CADE, AND ST. MARTINVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 80
TEMP (24H TREND) 73 (-1) 89 (+1) 71 87
RH % (24H TREND) 97 (+1) 65 (+4) 100 72
20FTWND-VAL/AM(MPH) SE 7 LGT/VAR
20FTWND-RDG/PM(MPH) SE 9 G17 S 9 SE 5 SE 5
PRECIP AMOUNT 0.00 0.09 0.14 0.36
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1190 120 1130
MIXING HGT(FT-AGL/MSL)550 3910 390 3720
TRANSPORT WND (M/S) SE 6 S 7 E 4 SE 4
TRANSPORT WND (MPH) SE 14 S 15 E 8 SE 9
VENT RATE (M/S-M) 1020 8330 480 4520
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 6 6 8
MAX LVORI LATE 5 3 7 4
MIX HGT 500 75 76
KEETCH-BYRAM < 200 201-300 201-300 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND
5 MPH.
SATURDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
LAZ073-190900-
WEST CAMERON-
INCLUDING THE CITIES OF JOHNSON BAYOU AND HACKBERRY
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 60
TEMP (24H TREND) 79 (0) 87 (+2) 77 86
RH % (24H TREND) 91 (+1) 71 (-5) 93 72
20FTWND-VAL/AM(MPH) SE 11 SE 6
20FTWND-RDG/PM(MPH) SE 14 SE 13 SE 8 SE 9
PRECIP AMOUNT 0.00 0.00 0.11 0.14
PRECIP DURATION 2 5
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1070 140 1000
MIXING HGT(FT-AGL/MSL)470 3510 440 3270
TRANSPORT WND (M/S) SE 8 S 8 SE 4 SE 6
TRANSPORT WND (MPH) SE 17 S 18 SE 9 SE 13
VENT RATE (M/S-M) 1120 8560 560 6000
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 74 74
KEETCH-BYRAM 201-300 201-300 201-300 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
SHOWERS AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
LAZ074-190900-
EAST CAMERON-
INCLUDING THE CITIES OF GRAND LAKE, KLONDIKE, CAMERON, CREOLE,
GRAND CHENIER, AND RUTHERFORD BEACH
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 60
TEMP (24H TREND) 78 (0) 87 (+1) 76 87
RH % (24H TREND) 93 (+1) 65 (-6) 95 69
20FTWND-VAL/AM(MPH) SE 11 SE 6
20FTWND-RDG/PM(MPH) SE 14 SE 14 SE 9 SE 9
PRECIP AMOUNT 0.00 0.00 0.06 0.13
PRECIP DURATION 1 5
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1160 130 1100
MIXING HGT(FT-AGL/MSL)570 3810 420 3600
TRANSPORT WND (M/S) SE 8 S 8 SE 4 SE 5
TRANSPORT WND (MPH) SE 17 S 18 SE 9 SE 12
VENT RATE (M/S-M) 1360 9280 520 5500
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS
IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
LAZ152-190900-
UPPER VERMILION-
INCLUDING THE CITIES OF GUEYDAN, MEAUX, KAPLAN, AND MAURICE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 70
TEMP (24H TREND) 77 (+1) 87 (0) 74 86
RH % (24H TREND) 91 (-3) 65 (-2) 95 70
20FTWND-VAL/AM(MPH) SE 9 LGT/VAR
20FTWND-RDG/PM(MPH) SE 12 S 12 SE 7 S 7
PRECIP AMOUNT 0.00 0.00 0.04 0.20
PRECIP DURATION 1 5
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1160 130 1160
MIXING HGT(FT-AGL/MSL)480 3820 440 3800
TRANSPORT WND (M/S) SE 7 S 7 SE 4 SE 5
TRANSPORT WND (MPH) SE 16 S 16 SE 9 SE 10
VENT RATE (M/S-M) 980 8120 520 5800
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS
IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
LAZ252-190900-
LOWER VERMILION-
INCLUDING THE CITIES OF ABBEVILLE, INTRACOASTAL CITY,
AND FORKED ISLAND
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 60
TEMP (24H TREND) 79 (+1) 88 (+2) 75 87
RH % (24H TREND) 90 (-1) 63 (-6) 93 67
20FTWND-VAL/AM(MPH) SE 11 SE 6
20FTWND-RDG/PM(MPH) SE 13 SE 13 SE 9 SE 9
PRECIP AMOUNT 0.00 0.00 0.02 0.11
PRECIP DURATION 1 5
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 170 1150 130 1220
MIXING HGT(FT-AGL/MSL)570 3760 440 4010
TRANSPORT WND (M/S) SE 8 S 9 SE 4 SE 5
TRANSPORT WND (MPH) SE 17 S 20 SE 9 SE 12
VENT RATE (M/S-M) 1360 10350 520 6100
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
HIGHS IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
LAZ153-190900-
UPPER IBERIA-
INCLUDING THE CITIES OF NEW IBERIA AND JEANERETTE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 80
TEMP (24H TREND) 74 (0) 89 (+1) 71 88
RH % (24H TREND) 97 (+1) 64 (+3) 100 69
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 10 G18 S 10 SE 5 S 5
PRECIP AMOUNT 0.00 0.07 0.05 0.30
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1170 130 1120
MIXING HGT(FT-AGL/MSL)500 3850 410 3670
TRANSPORT WND (M/S) SE 6 S 7 SE 4 SE 4
TRANSPORT WND (MPH) SE 14 S 16 SE 8 SE 9
VENT RATE (M/S-M) 900 8190 520 4480
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 6 6 7
MAX LVORI LATE 5 3 6 3
MIX HGT 500 75 76
KEETCH-BYRAM < 200 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
LAZ253-190900-
LOWER IBERIA-
INCLUDING THE CITY OF AVERY ISLAND
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 60
TEMP (24H TREND) 76 (0) 89 (+1) 74 88
RH % (24H TREND) 93 (-1) 65 (-4) 96 65
20FTWND-VAL/AM(MPH) SE 9 SE 5
20FTWND-RDG/PM(MPH) SE 12 SE 13 SE 8 S 9
PRECIP AMOUNT 0.00 0.00 0.01 0.09
PRECIP DURATION 2 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 150 1020 130 1070
MIXING HGT(FT-AGL/MSL)490 3340 420 3510
TRANSPORT WND (M/S) SE 8 S 8 SE 4 SE 5
TRANSPORT WND (MPH) SE 18 S 18 SE 9 SE 12
VENT RATE (M/S-M) 1200 8160 520 5350
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 74 75
KEETCH-BYRAM 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 5 TO
10 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS
IN THE MID 80S. SOUTH WINDS 5 TO 10 MPH.
LAZ055-190900-
LOWER ST. MARTIN-
INCLUDING THE CITY OF STEPHENSVILLE
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 30 80
TEMP (24H TREND) 74 (0) 89 (+1) 72 87
RH % (24H TREND) 97 (0) 68 (+4) 100 71
20FTWND-VAL/AM(MPH) SE 6 LGT/VAR
20FTWND-RDG/PM(MPH) SE 8 SE 8 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.05 0.02 0.27
PRECIP DURATION 1 2 6
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1190 130 1260
MIXING HGT(FT-AGL/MSL)460 3910 420 4130
TRANSPORT WND (M/S) SE 5 S 6 SE 4 SE 4
TRANSPORT WND (MPH) SE 12 S 14 SE 8 SE 9
VENT RATE (M/S-M) 700 7140 520 5040
DISPERSION POOR GOOD POOR GOOD
CATEGORY DAY 1 3 1 3
MAX LVORI EARLY 5 6 6 8
MAX LVORI LATE 5 3 7 4
MIX HGT 500 74 77
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
LAZ154-190900-
UPPER ST. MARY-
INCLUDING THE CITIES OF MORGAN CITY, CENTERVILLE, FRANKLIN,
PATTERSON, BERWICK, AND BAYOU VISTA
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 30 70
TEMP (24H TREND) 74 (-1) 89 (+1) 72 87
RH % (24H TREND) 97 (0) 65 (+2) 100 70
20FTWND-VAL/AM(MPH) SE 7 LGT/VAR
20FTWND-RDG/PM(MPH) SE 9 S 10 SE 6 S 5
PRECIP AMOUNT 0.00 0.03 0.02 0.23
PRECIP DURATION 1 2 4
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1170 130 1250
MIXING HGT(FT-AGL/MSL)470 3840 420 4110
TRANSPORT WND (M/S) SE 6 S 7 SE 3 SE 4
TRANSPORT WND (MPH) SE 13 S 16 SE 7 SE 9
VENT RATE (M/S-M) 840 8190 390 5000
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 5 6 6 6
MAX LVORI LATE 5 3 7 3
MIX HGT 500 75 76
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTH
WINDS 5 TO 10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. SOUTH WINDS AROUND 5 MPH.
LAZ254-190900-
LOWER ST. MARY-
INCLUDING THE CITIES OF BURNS POINT AND CYPREMORT POINT
308 PM CDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 30 60
TEMP (24H TREND) 76 (0) 89 (+1) 73 88
RH % (24H TREND) 96 (0) 65 (-2) 98 68
20FTWND-VAL/AM(MPH) SE 8 LGT/VAR
20FTWND-RDG/PM(MPH) SE 10 G17 S 12 SE 6 S 7
PRECIP AMOUNT 0.00 0.00 0.01 0.08
PRECIP DURATION 0 1 4
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 140 1150 130 1220
MIXING HGT(FT-AGL/MSL)450 3760 420 4000
TRANSPORT WND (M/S) SE 7 S 8 SE 4 SE 5
TRANSPORT WND (MPH) SE 16 S 17 SE 8 SE 10
VENT RATE (M/S-M) 980 9200 520 6100
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 5 5 6 6
MAX LVORI LATE 5 3 6 3
MIX HGT 500 74 76
KEETCH-BYRAM 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
SATURDAY THROUGH MEMORIAL DAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS
IN THE MID 80S. SOUTHEAST WINDS 5 TO 10 MPH.
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