551
FNUS54 KLCH 172009
FWFLCH
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
308 PM GMT SUN MAY 17 2026
DISCUSSION
BREEZY SOUTHERLY WINDS GUSTING AS HIGH AS 25 KNOTS
WILL CONTINUE THIS AFTERNOON AND AGAIN MONDAY. DEWPOINTS IN THE 70S
WILL KEEP MINIMUM RH VALUES IN THE 60-70% RANGE THIS WEEK. A WET
PATTERN SETS UP BEGINNING TUESDAY EVENING THROUGH THE END OF THE
WEEK AS A STALLED FRONTAL BOUNDARY AND A SERIES OF UPPER LEVEL
DISTURBANCES PROVIDE WAVES OF PRECIPITATION EACH DAY.
TXZ180-180900-
TYLER-
INCLUDING THE CITIES OF TOWN BLUFF, FRED, HILLISTER, IVANHOE,
SPURGER, WARREN, AND WOODVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 20 40
TEMP (24H TREND) 76 (+2) 89 (0) 76 89
RH % (24H TREND) 89 (-4) 62 (0) 92 63
20FTWND-VAL/AM(MPH) SE 8 G22 S 6
20FTWND-RDG/PM(MPH) SE 8 G21 S 11 G23 SE 7 G21 S 7
PRECIP AMOUNT 0.00 0.01 0.00 0.05
PRECIP DURATION 1 0 1
PRECIP BEGIN 1 PM 6 PM 1 PM
PRECIP END 5 PM 11 PM CONTINUING
MIXING HGT(M-AGL/MSL) 180 1370 150 1260
MIXING HGT(FT-AGL/MSL)600 4500 480 4130
TRANSPORT WND (M/S) S 7 S 10 S 6 S 7
TRANSPORT WND (MPH) S 16 S 23 S 13 S 16
VENT RATE (M/S-M) 1260 13700 900 8820
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
TXZ201-180900-
HARDIN-
INCLUDING THE CITIES OF LUMBERTON AND SILSBEE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 30 0 30
TEMP (24H TREND) 76 (+2) 88 (0) 75 88
RH % (24H TREND) 88 (-5) 67 (0) 90 65
20FTWND-VAL/AM(MPH) SE 7 G20 LGT/VAR
20FTWND-RDG/PM(MPH) SE 7 G19 S 9 G21 SE 6 G19 S 7
PRECIP AMOUNT 0.00 0.01 0.00 0.01
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 180 1220 140 1190
MIXING HGT(FT-AGL/MSL)590 3990 470 3900
TRANSPORT WND (M/S) S 7 S 10 S 6 S 7
TRANSPORT WND (MPH) S 15 S 23 S 13 S 16
VENT RATE (M/S-M) 1260 12200 840 8330
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 76 76
KEETCH-BYRAM 201-300 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND
70. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TXZ259-180900-
NORTHERN JASPER-
INCLUDING THE CITIES OF HOLLY SPRINGS, JASPER, KIRBYVILLE,
MAGNOLIA SPRINGS, MT. UNION, AND ROGANVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 30 0 40
TEMP (24H TREND) 76 (+2) 89 (+1) 75 90
RH % (24H TREND) 89 (-3) 63 (0) 92 64
20FTWND-VAL/AM(MPH) SE 9 G20 SE 6
20FTWND-RDG/PM(MPH) SE 9 G21 S 13 G22 SE 8 G20 S 9
PRECIP AMOUNT 0.00 0.01 0.00 0.04
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 160 1400 150 1220
MIXING HGT(FT-AGL/MSL)510 4580 480 3990
TRANSPORT WND (M/S) S 7 S 10 S 5 S 8
TRANSPORT WND (MPH) S 16 S 23 S 12 S 17
VENT RATE (M/S-M) 1120 14000 750 9760
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 5 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 77 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
TXZ261-180900-
SOUTHERN JASPER-
INCLUDING THE CITIES OF GIST, BUNA, AND EVADALE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 30 0 20
TEMP (24H TREND) 77 (+3) 87 (0) 76 88
RH % (24H TREND) 86 (-8) 66 (-1) 90 64
20FTWND-VAL/AM(MPH) SE 8 G20 SE 5
20FTWND-RDG/PM(MPH) SE 8 G20 S 12 G21 SE 7 G19 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 180 1220 140 1180
MIXING HGT(FT-AGL/MSL)580 4020 460 3870
TRANSPORT WND (M/S) S 7 S 10 S 5 S 7
TRANSPORT WND (MPH) S 15 S 23 S 12 S 16
VENT RATE (M/S-M) 1260 12200 700 8260
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 75 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS AROUND
70. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. LIGHT WINDS.
TXZ260-180900-
NORTHERN NEWTON-
INCLUDING THE CITIES OF BURKEVILLE, FARRSVILLE, JAMESTOWN,
NEWTON, WIERGATE, BLEAKWOOD, AND CALL
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 20 0 30
TEMP (24H TREND) 75 (+2) 87 (0) 75 88
RH % (24H TREND) 90 (-4) 61 (-3) 94 64
20FTWND-VAL/AM(MPH) SE 9 G19 SE 6
20FTWND-RDG/PM(MPH) S 10 G20 S 13 G21 S 9 G19 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 160 1450 140 1110
MIXING HGT(FT-AGL/MSL)520 4750 450 3640
TRANSPORT WND (M/S) S 7 S 10 S 5 S 7
TRANSPORT WND (MPH) S 16 S 23 S 12 S 15
VENT RATE (M/S-M) 1120 14500 700 7770
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 5
MAX LVORI LATE 4 2 5 3
MIX HGT 500 76 77
KEETCH-BYRAM < 200 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
TXZ262-180900-
SOUTHERN NEWTON-
INCLUDING THE CITY OF DEWEYVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 30 0 20
TEMP (24H TREND) 77 (+3) 86 (-1) 76 87
RH % (24H TREND) 87 (-4) 66 (-1) 89 66
20FTWND-VAL/AM(MPH) SE 8 G19 SE 6
20FTWND-RDG/PM(MPH) SE 9 G19 S 12 G21 SE 9 G18 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 170 1230 140 1180
MIXING HGT(FT-AGL/MSL)570 4040 470 3880
TRANSPORT WND (M/S) S 6 S 10 S 5 S 7
TRANSPORT WND (MPH) S 14 S 23 S 12 S 15
VENT RATE (M/S-M) 1020 12300 700 8260
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 75 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. LIGHT
WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
TXZ515-180900-
UPPER JEFFERSON-
INCLUDING THE CITIES OF BEAUMONT AND CHINA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 20 0 20
TEMP (24H TREND) 76 (+1) 87 (0) 76 87
RH % (24H TREND) 88 (-2) 69 (-1) 90 68
20FTWND-VAL/AM(MPH) SE 11 G21 SE 7
20FTWND-RDG/PM(MPH) SE 11 G19 SE 14 G22 SE 10 G18 SE 10
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 1 PM 1 PM
PRECIP END 5 PM CONTINUING
MIXING HGT(M-AGL/MSL) 170 1100 150 1160
MIXING HGT(FT-AGL/MSL)570 3620 480 3820
TRANSPORT WND (M/S) S 6 S 11 S 6 S 8
TRANSPORT WND (MPH) S 14 S 24 S 14 S 17
VENT RATE (M/S-M) 1020 12100 900 9280
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 74 75
KEETCH-BYRAM 201-300 201-300 201-300 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. EAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TXZ615-180900-
LOWER JEFFERSON-
INCLUDING THE CITIES OF NEDERLAND, PORT ARTHUR,
SEA RIM STATE PARK, AND SABINE PASS
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 0 20 0 0
TEMP (24H TREND) 78 (+1) 87 (+2) 78 87
RH % (24H TREND) 91 (+2) 71 (-4) 93 71
20FTWND-VAL/AM(MPH) SE 14 SE 10
20FTWND-RDG/PM(MPH) SE 14 SE 16 SE 14 SE 13
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 150 990 140 1110
MIXING HGT(FT-AGL/MSL)480 3250 450 3650
TRANSPORT WND (M/S) S 8 SE 11 S 7 SE 8
TRANSPORT WND (MPH) S 17 SE 25 S 16 SE 17
VENT RATE (M/S-M) 1200 10890 980 8880
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 74 74
KEETCH-BYRAM 201-300 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH.
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 THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TXZ516-180900-
NORTHERN ORANGE-
INCLUDING THE CITY OF MAURICEVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 0 30 0 0
TEMP (24H TREND) 77 (+2) 86 (0) 76 87
RH % (24H TREND) 86 (-4) 70 (-1) 88 69
20FTWND-VAL/AM(MPH) SE 10 G20 SE 7
20FTWND-RDG/PM(MPH) SE 10 G19 SE 13 G21 SE 9 G18 S 10
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 180 1080 150 1210
MIXING HGT(FT-AGL/MSL)580 3550 480 3970
TRANSPORT WND (M/S) S 6 S 10 S 6 S 7
TRANSPORT WND (MPH) S 14 S 23 S 13 S 16
VENT RATE (M/S-M) 1080 10800 900 8470
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 4 3
MIX HGT 500 74 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 70S.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. LIGHT
WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
TXZ616-180900-
SOUTHERN ORANGE-
INCLUDING THE CITIES OF ORANGE, BRIDGE CITY, AND VIDOR
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 0 20 0 0
TEMP (24H TREND) 78 (+2) 86 (0) 77 86
RH % (24H TREND) 87 (-2) 72 (-1) 89 70
20FTWND-VAL/AM(MPH) SE 11 G19 SE 8
20FTWND-RDG/PM(MPH) SE 12 G19 SE 15 SE 11 G19 SE 11
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 5 PM
MIXING HGT(M-AGL/MSL) 160 1020 150 1170
MIXING HGT(FT-AGL/MSL)530 3350 500 3850
TRANSPORT WND (M/S) S 7 S 10 S 6 S 8
TRANSPORT WND (MPH) S 15 S 23 S 14 S 17
VENT RATE (M/S-M) 1120 10200 900 9360
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 4
MAX LVORI LATE 4 3 4 3
MIX HGT 500 74 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
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 THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ027-180900-
VERNON-
INCLUDING THE CITIES OF FORT POLK, PICKERING, LEESVILLE,
AND SLAGLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 40
TEMP (24H TREND) 75 (+4) 89 (+1) 74 89
RH % (24H TREND) 90 (-4) 55 (-6) 95 61
20FTWND-VAL/AM(MPH) SE 7 G17 SE 5
20FTWND-RDG/PM(MPH) S 7 G18 S 11 G19 S 6 G17 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 160 1510 140 1310
MIXING HGT(FT-AGL/MSL)530 4970 480 4310
TRANSPORT WND (M/S) S 7 S 10 S 5 S 6
TRANSPORT WND (MPH) S 15 S 22 S 10 S 13
VENT RATE (M/S-M) 1120 15100 700 7860
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 5 1 6 3
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. LIGHT
WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ028-180900-
RAPIDES-
INCLUDING THE CITIES OF ALEXANDRIA AND PINEVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 50
TEMP (24H TREND) 74 (+5) 89 (+2) 73 89
RH % (24H TREND) 90 (-1) 56 (-10) 93 61
20FTWND-VAL/AM(MPH) SE 8 G17 SE 6
20FTWND-RDG/PM(MPH) S 7 G17 S 11 G19 S 7 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1490 140 1210
MIXING HGT(FT-AGL/MSL)450 4870 450 3980
TRANSPORT WND (M/S) S 7 S 9 S 5 S 6
TRANSPORT WND (MPH) S 15 S 21 S 10 S 13
VENT RATE (M/S-M) 980 13410 700 7260
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 5 2 5 3
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ029-180900-
AVOYELLES-
INCLUDING THE CITIES OF EFFIE, MARKSVILLE, BUNKIE, COTTONPORT,
SIMMESPORT, AND MANSURA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 20 0 60
TEMP (24H TREND) 73 (+5) 89 (+2) 73 89
RH % (24H TREND) 90 (0) 61 (-12) 94 71
20FTWND-VAL/AM(MPH) SE 9 G17 SE 6
20FTWND-RDG/PM(MPH) S 8 G17 S 11 S 6 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 1 4
PRECIP BEGIN 1 PM 1 PM
PRECIP END 6 PM CONTINUING
MIXING HGT(M-AGL/MSL) 140 1430 140 1190
MIXING HGT(FT-AGL/MSL)450 4700 450 3920
TRANSPORT WND (M/S) S 6 S 9 S 5 S 6
TRANSPORT WND (MPH) S 13 S 20 S 12 S 13
VENT RATE (M/S-M) 840 12870 700 7140
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 5
MAX LVORI LATE 5 3 5 3
MIX HGT 500 75 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ030-180900-
BEAUREGARD-
INCLUDING THE CITIES OF BUNDICK LAKE, DE RIDDER, FIELDS,
AND ORETTA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 75 (+3) 88 (+1) 75 88
RH % (24H TREND) 90 (-4) 57 (-5) 94 60
20FTWND-VAL/AM(MPH) SE 8 G19 SE 5
20FTWND-RDG/PM(MPH) SE 8 G18 S 12 G20 SE 7 G18 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 190 1390 150 1310
MIXING HGT(FT-AGL/MSL)620 4560 480 4290
TRANSPORT WND (M/S) S 7 S 10 S 4 S 7
TRANSPORT WND (MPH) S 15 S 23 S 9 S 15
VENT RATE (M/S-M) 1330 13900 600 9170
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 1 6 2
MIX HGT 500 76 76
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. LIGHT
WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
LAZ031-180900-
ALLEN-
INCLUDING THE CITIES OF OAKDALE AND KINDER
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 40
TEMP (24H TREND) 75 (+4) 89 (+2) 74 89
RH % (24H TREND) 89 (-3) 55 (-7) 93 60
20FTWND-VAL/AM(MPH) SE 5 LGT/VAR
20FTWND-RDG/PM(MPH) SE 5 S 8 G17 SE 5 S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 150 1400 140 1360
MIXING HGT(FT-AGL/MSL)490 4590 460 4470
TRANSPORT WND (M/S) S 7 S 10 S 4 S 6
TRANSPORT WND (MPH) S 15 S 22 S 8 S 14
VENT RATE (M/S-M) 1050 14000 560 8160
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 1 6 2
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. LIGHT WINDS.
LAZ032-180900-
EVANGELINE-
INCLUDING THE CITIES OF VILLE PLATTE, BEAVER, ST. LANDRY, MAMOU,
AND REDDELL
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 50
TEMP (24H TREND) 74 (+4) 88 (+2) 74 88
RH % (24H TREND) 87 (-3) 59 (-10) 90 66
20FTWND-VAL/AM(MPH) SE 7 LGT/VAR
20FTWND-RDG/PM(MPH) S 7 S 10 S 6 S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 150 1340 140 1300
MIXING HGT(FT-AGL/MSL)480 4380 450 4250
TRANSPORT WND (M/S) S 7 S 10 S 4 S 6
TRANSPORT WND (MPH) S 15 S 22 S 9 S 14
VENT RATE (M/S-M) 1050 13400 560 7800
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 4 3 5 3
MIX HGT 500 76 77
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. LIGHT WINDS.
LAZ033-180900-
ST. LANDRY-
INCLUDING THE CITIES OF LAWTELL, OPELOUSAS, AND EUNICE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
TEMP (24H TREND) 74 (+4) 88 (+2) 73 88
RH % (24H TREND) 92 (0) 60 (-12) 95 71
20FTWND-VAL/AM(MPH) SE 9 G17 SE 6
20FTWND-RDG/PM(MPH) S 9 G17 S 12 S 8 G17 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1410 140 1210
MIXING HGT(FT-AGL/MSL)450 4620 450 3950
TRANSPORT WND (M/S) S 6 S 9 S 6 S 6
TRANSPORT WND (MPH) S 14 S 21 S 13 S 14
VENT RATE (M/S-M) 840 12690 840 7260
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 3 5 3
MIX HGT 500 76 76
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH.
LAZ141-180900-
NORTHERN CALCASIEU-
INCLUDING THE CITIES OF DE QUINCY, MOSS BLUFF, SULPHUR, WESTLAKE,
AND VINTON
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 76 (+2) 87 (+1) 75 87
RH % (24H TREND) 88 (-4) 63 (-5) 91 66
20FTWND-VAL/AM(MPH) SE 9 G19 SE 6
20FTWND-RDG/PM(MPH) SE 10 G20 S 13 G21 SE 9 G19 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 160 1230 140 1170
MIXING HGT(FT-AGL/MSL)530 4020 470 3820
TRANSPORT WND (M/S) S 6 S 10 S 5 S 7
TRANSPORT WND (MPH) S 13 S 23 S 10 S 15
VENT RATE (M/S-M) 960 12300 700 8190
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 75 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S.
HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND
5 MPH.
LAZ241-180900-
SOUTHERN CALCASIEU-
INCLUDING THE CITIES OF LAKE CHARLES, CARLYSS, BELL CITY, HAYES,
AND IOWA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 77 (+2) 87 (+1) 76 87
RH % (24H TREND) 88 (-3) 63 (-7) 93 66
20FTWND-VAL/AM(MPH) SE 12 G21 SE 9
20FTWND-RDG/PM(MPH) SE 13 G21 SE 16 SE 12 G20 S 12
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 160 1150 150 1200
MIXING HGT(FT-AGL/MSL)530 3780 480 3950
TRANSPORT WND (M/S) SE 6 S 11 S 5 S 7
TRANSPORT WND (MPH) SE 14 S 24 S 12 S 16
VENT RATE (M/S-M) 960 12650 750 8400
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 2 5 3
MIX HGT 500 75 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. EAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ142-180900-
NORTHERN JEFFERSON DAVIS-
INCLUDING THE CITIES OF HATHAWAY, JENNINGS, TOPSY, FENTON, WELSH,
AND ELTON
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 75 (+3) 86 (0) 74 86
RH % (24H TREND) 89 (-4) 61 (-5) 93 64
20FTWND-VAL/AM(MPH) SE 8 G19 SE 6
20FTWND-RDG/PM(MPH) SE 9 G18 S 12 G20 SE 8 G17 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1250 140 1320
MIXING HGT(FT-AGL/MSL)470 4100 450 4320
TRANSPORT WND (M/S) S 7 S 10 SE 5 S 7
TRANSPORT WND (MPH) S 15 S 23 SE 10 S 15
VENT RATE (M/S-M) 980 12500 700 9240
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 2 6 3
MIX HGT 500 75 76
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S. EAST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
LAZ242-180900-
SOUTHERN JEFFERSON DAVIS-
INCLUDING THE CITY OF LAKE ARTHUR
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 76 (+2) 86 (+1) 75 86
RH % (24H TREND) 89 (-3) 63 (-6) 94 65
20FTWND-VAL/AM(MPH) SE 12 G20 SE 8
20FTWND-RDG/PM(MPH) SE 12 G20 S 15 SE 11 G20 S 11
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1150 130 1280
MIXING HGT(FT-AGL/MSL)470 3780 440 4210
TRANSPORT WND (M/S) SE 7 S 10 SE 5 S 7
TRANSPORT WND (MPH) SE 15 S 23 SE 10 S 15
VENT RATE (M/S-M) 980 11500 650 8960
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 2 5 3
MIX HGT 500 75 75
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
EAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ143-180900-
NORTHERN ACADIA-
INCLUDING THE CITIES OF CROWLEY, RAYNE, BRANCH, CHURCH POINT,
AND IOTA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 75 (+3) 86 (0) 75 86
RH % (24H TREND) 89 (-2) 63 (-8) 92 68
20FTWND-VAL/AM(MPH) SE 8 G18 SE 6
20FTWND-RDG/PM(MPH) SE 9 G18 S 12 G20 SE 9 G18 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1250 140 1330
MIXING HGT(FT-AGL/MSL)470 4100 450 4370
TRANSPORT WND (M/S) SE 7 S 10 SE 5 S 7
TRANSPORT WND (MPH) SE 15 S 22 SE 12 S 15
VENT RATE (M/S-M) 980 12500 700 9310
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 75 76
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.
LOWS AROUND 70. HIGHS IN THE LOWER 80S. LIGHT WINDS.
FRIDAY THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ243-180900-
SOUTHERN ACADIA-
INCLUDING THE CITY OF MORSE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 76 (+3) 86 (+1) 76 86
RH % (24H TREND) 88 (-3) 64 (-6) 92 66
20FTWND-VAL/AM(MPH) SE 11 G19 SE 8
20FTWND-RDG/PM(MPH) SE 12 SE 14 SE 11 G19 S 11
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1200 140 1350
MIXING HGT(FT-AGL/MSL)460 3940 450 4420
TRANSPORT WND (M/S) SE 7 S 10 S 5 S 7
TRANSPORT WND (MPH) SE 15 S 22 S 10 S 15
VENT RATE (M/S-M) 980 12000 700 9450
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 2 5 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
LAZ044-180900-
LAFAYETTE-
INCLUDING THE CITY OF LAFAYETTE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 74 (+3) 87 (+1) 74 87
RH % (24H TREND) 91 (-2) 63 (-9) 94 69
20FTWND-VAL/AM(MPH) SE 10 G20 SE 7
20FTWND-RDG/PM(MPH) SE 12 G19 S 14 G22 SE 11 G19 S 11
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 150 1230 140 1250
MIXING HGT(FT-AGL/MSL)500 4040 450 4110
TRANSPORT WND (M/S) S 7 S 10 S 5 S 7
TRANSPORT WND (MPH) S 15 S 23 S 10 S 15
VENT RATE (M/S-M) 1050 12300 700 8750
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 6
MAX LVORI LATE 5 2 5 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
LAZ045-180900-
UPPER ST. MARTIN-
INCLUDING THE CITIES OF BREAUX BRIDGE, CADE, AND ST. MARTINVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
TEMP (24H TREND) 73 (+4) 88 (+2) 73 88
RH % (24H TREND) 96 (-1) 59 (-14) 98 68
20FTWND-VAL/AM(MPH) SE 9 G18 SE 7
20FTWND-RDG/PM(MPH) SE 10 S 13 G22 SE 9 G17 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.09
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 170 1410 160 1260
MIXING HGT(FT-AGL/MSL)570 4630 530 4140
TRANSPORT WND (M/S) SE 6 S 9 S 4 S 6
TRANSPORT WND (MPH) SE 13 S 20 S 9 S 13
VENT RATE (M/S-M) 1020 12690 640 7560
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 6 4 7
MAX LVORI LATE 6 2 7 3
MIX HGT 500 76 75
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. LOWS
IN THE UPPER 60S. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE LOWER 80S.
SOUTHEAST WINDS AROUND 5 MPH.
LAZ073-180900-
WEST CAMERON-
INCLUDING THE CITIES OF JOHNSON BAYOU AND HACKBERRY
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 78 (+1) 86 (+1) 78 87
RH % (24H TREND) 91 (+2) 72 (-6) 92 72
20FTWND-VAL/AM(MPH) SE 14 SE 11
20FTWND-RDG/PM(MPH) SE 15 SE 16 SE 14 SE 13
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 140 970 150 1040
MIXING HGT(FT-AGL/MSL)470 3200 490 3410
TRANSPORT WND (M/S) S 8 SE 11 SE 7 SE 8
TRANSPORT WND (MPH) S 18 SE 25 SE 15 SE 18
VENT RATE (M/S-M) 1120 10670 1050 8320
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 4
MAX LVORI LATE 4 3 4 3
MIX HGT 500 74 74
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE UPPER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
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 THROUGH SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
LAZ074-180900-
EAST CAMERON-
INCLUDING THE CITIES OF GRAND LAKE, KLONDIKE, CAMERON, CREOLE,
GRAND CHENIER, AND RUTHERFORD BEACH
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 77 (+1) 87 (+2) 77 87
RH % (24H TREND) 91 (0) 65 (-8) 94 66
20FTWND-VAL/AM(MPH) SE 14 SE 11
20FTWND-RDG/PM(MPH) SE 15 SE 17 SE 14 SE 13
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 180 1050 150 1180
MIXING HGT(FT-AGL/MSL)600 3440 490 3870
TRANSPORT WND (M/S) SE 8 SE 11 S 6 S 8
TRANSPORT WND (MPH) SE 18 SE 24 S 13 S 17
VENT RATE (M/S-M) 1440 11550 900 9440
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 74 74
KEETCH-BYRAM 201-300 201-300 201-300 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. THUNDERSTORMS LIKELY AND A CHANCE OF
SHOWERS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTHEAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH.
FRIDAY THROUGH SUNDAY
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.
LAZ152-180900-
UPPER VERMILION-
INCLUDING THE CITIES OF GUEYDAN, MEAUX, KAPLAN, AND MAURICE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 76 (+3) 87 (+1) 76 87
RH % (24H TREND) 89 (-2) 66 (-6) 92 68
20FTWND-VAL/AM(MPH) SE 13 G20 SE 9
20FTWND-RDG/PM(MPH) SE 14 SE 16 SE 12 S 12
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 150 1160 140 1320
MIXING HGT(FT-AGL/MSL)480 3790 460 4320
TRANSPORT WND (M/S) SE 7 S 10 S 5 S 7
TRANSPORT WND (MPH) SE 16 S 23 S 10 S 16
VENT RATE (M/S-M) 1050 11600 700 9240
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 < 200
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE MID
70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 5 MPH.
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 THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
LAZ252-180900-
LOWER VERMILION-
INCLUDING THE CITIES OF ABBEVILLE, INTRACOASTAL CITY,
AND FORKED ISLAND
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
TEMP (24H TREND) 78 (+2) 87 (+2) 77 87
RH % (24H TREND) 89 (0) 64 (-9) 92 65
20FTWND-VAL/AM(MPH) SE 13 SE 10
20FTWND-RDG/PM(MPH) SE 14 SE 16 SE 14 SE 13
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 190 1070 140 1290
MIXING HGT(FT-AGL/MSL)630 3510 460 4250
TRANSPORT WND (M/S) SE 8 S 10 SE 6 S 8
TRANSPORT WND (MPH) SE 17 S 23 SE 13 S 17
VENT RATE (M/S-M) 1520 10700 840 10320
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 4 2 5 3
MIX HGT 500 74 74
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 70S. HIGHS IN THE MID 80S. EAST WINDS AROUND
5 MPH.
FRIDAY THROUGH SUNDAY
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.
LAZ153-180900-
UPPER IBERIA-
INCLUDING THE CITIES OF NEW IBERIA AND JEANERETTE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 50
TEMP (24H TREND) 73 (+3) 89 (+3) 73 88
RH % (24H TREND) 97 (+1) 59 (-13) 98 66
20FTWND-VAL/AM(MPH) SE 10 G19 SE 7
20FTWND-RDG/PM(MPH) SE 11 S 14 G22 SE 10 G18 S 10
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 160 1400 150 1220
MIXING HGT(FT-AGL/MSL)510 4600 500 4000
TRANSPORT WND (M/S) SE 6 S 9 S 4 S 6
TRANSPORT WND (MPH) SE 14 S 21 S 9 S 14
VENT RATE (M/S-M) 960 12600 600 7320
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 4 5 5 6
MAX LVORI LATE 5 2 7 3
MIX HGT 500 75 75
KEETCH-BYRAM < 200 < 200 < 200 201-300
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
SHOWERS WITH THUNDERSTORMS LIKELY. LOWS IN THE LOWER
70S. HIGHS IN THE MID 80S. EAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
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.
LAZ253-180900-
LOWER IBERIA-
INCLUDING THE CITY OF AVERY ISLAND
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 20
TEMP (24H TREND) 75 (+1) 89 (+3) 74 89
RH % (24H TREND) 93 (+2) 65 (-7) 95 66
20FTWND-VAL/AM(MPH) SE 12 G19 SE 9
20FTWND-RDG/PM(MPH) SE 13 SE 15 SE 12 G19 SE 13
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 170 1010 150 1090
MIXING HGT(FT-AGL/MSL)560 3320 490 3570
TRANSPORT WND (M/S) SE 8 S 10 SE 6 SE 8
TRANSPORT WND (MPH) SE 18 S 23 SE 13 SE 18
VENT RATE (M/S-M) 1360 10100 900 8720
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 4 3 5 3
MIX HGT 500 74 74
KEETCH-BYRAM 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE MID 70S. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
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.
LAZ055-180900-
LOWER ST. MARTIN-
INCLUDING THE CITY OF STEPHENSVILLE
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 60
TEMP (24H TREND) 73 (+3) 89 (+4) 74 88
RH % (24H TREND) 96 (-1) 61 (-15) 98 70
20FTWND-VAL/AM(MPH) SE 8 SE 6
20FTWND-RDG/PM(MPH) SE 9 SE 12 SE 8 SE 8
PRECIP AMOUNT 0.00 0.00 0.00 0.10
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1400 140 1240
MIXING HGT(FT-AGL/MSL)470 4590 470 4050
TRANSPORT WND (M/S) SE 6 S 8 SE 6 SE 6
TRANSPORT WND (MPH) SE 14 S 18 SE 14 SE 13
VENT RATE (M/S-M) 840 11200 840 7440
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 5 6 5 8
MAX LVORI LATE 6 3 7 3
MIX HGT 500 76 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST
WINDS AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 70S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
LAZ154-180900-
UPPER ST. MARY-
INCLUDING THE CITIES OF MORGAN CITY, CENTERVILLE, FRANKLIN,
PATTERSON, BERWICK, AND BAYOU VISTA
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 50
TEMP (24H TREND) 74 (+3) 88 (+3) 74 88
RH % (24H TREND) 95 (-1) 59 (-15) 97 67
20FTWND-VAL/AM(MPH) SE 9 SE 7
20FTWND-RDG/PM(MPH) SE 10 SE 14 SE 9 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 150 1340 150 1240
MIXING HGT(FT-AGL/MSL)490 4400 480 4080
TRANSPORT WND (M/S) SE 6 S 9 SE 5 S 6
TRANSPORT WND (MPH) SE 13 S 20 SE 12 S 14
VENT RATE (M/S-M) 900 12060 750 7440
DISPERSION POOR VERY GOOD POOR GOOD
CATEGORY DAY 1 4 1 3
MAX LVORI EARLY 5 5 5 7
MAX LVORI LATE 5 2 6 3
MIX HGT 500 76 75
KEETCH-BYRAM 301-400 301-400 301-400 301-400
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 70. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND
5 MPH.
FRIDAY THROUGH SUNDAY
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.
LAZ254-180900-
LOWER ST. MARY-
INCLUDING THE CITIES OF BURNS POINT AND CYPREMORT POINT
308 PM CDT SUN MAY 17 2026
TONIGHT MON MON NIGHT TUE
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 30
TEMP (24H TREND) 75 (+2) 89 (+3) 75 88
RH % (24H TREND) 95 (+2) 62 (-12) 97 68
20FTWND-VAL/AM(MPH) SE 10 G18 SE 8
20FTWND-RDG/PM(MPH) SE 10 G18 SE 14 SE 10 G17 SE 11
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 140 1260 140 1200
MIXING HGT(FT-AGL/MSL)450 4150 460 3940
TRANSPORT WND (M/S) SE 7 S 9 SE 5 S 7
TRANSPORT WND (MPH) SE 16 S 21 SE 10 S 15
VENT RATE (M/S-M) 980 11340 700 8400
DISPERSION POOR VERY GOOD POOR VERY GOOD
CATEGORY DAY 1 4 1 4
MAX LVORI EARLY 5 5 5 6
MAX LVORI LATE 5 2 6 3
MIX HGT 500 75 74
KEETCH-BYRAM 401-500 401-500 401-500 401-500
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 70S. HIGHS IN THE MID 80S. SOUTHEAST WINDS
AROUND 5 MPH.
FRIDAY THROUGH SUNDAY
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.
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