758
FNUS74 KLIX 211057
FWSLIX
SPOT FORECAST FOR DESOTO BLOCK 8374 SOUTH...USFS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
557 AM CDT THU MAY 21 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
WE CAN BE REACHED AT (985) 649-0357 IF YOU HAVE QUESTIONS OR CONCERNS
WITH THIS FORECAST.
DISCUSSION
FIRE WEATHER CONCERNS CONTINUE TO BE LIMITED AS MOISTURE
CONTINUES ACROSS THE AREA. PERIODS OF SHOWERS AND THUNDERSTORMS
ARE EXPECTED TO CONTINUE EACH DAY THROUGH THE WEEKEND AND BEYOND.
OVER THE NEXT 7 DAYS FORECAST RAINFALL TOTALS VARY FROM 4 TO
7 INCHES ACROSS NORTHWESTERN AREAS TO LESS THAN AN INCH FOR
EXTREME SOUTHEAST LOUISIANA AND MUCH OF THE MISSISSIPPI COAST.
FOR MOST OF THE AREA, FOR MOST OF THE WEEK, MINIMUM HUMIDITIES
ARE LIKELY TO BE 60 PERCENT OR HIGHER EVERY DAY.
QUESTIONS
1) WHAT IS THE CHANCE FOR DENSE FOG POST IGNITION
LOW PROBABILITY OF FOG FOR THE AREA TONIGHT INTO FRIDAY MORNING.
COULD HAVE PATCHY/LIGHT FOG IN AREAS DEPENDING ON WHERE IT RAINS
DURING THE DAY, BUT WIDESPREAD DENSE FOG IS NOT EXPECTED.
2) WILL WE SEE ANY CHANCE OF A SEA-BREEZE SET UP DURING IGNITIONS?
NOT SEEING STRONG INDICATIONS OF A SEABREEZE TODAY, RATHER JUST A
STEADY INCREASE IN SE WINDS BEGINNING MID/LATE MORNING THROUGH THE
AFTERNOON, WITH NO DEFINITIVE WIND SHIFT EXPECTED (STEADY SE TO
SSE WINDS)
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT).
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........70 PERCENT.
DEWPOINT............71.
MAX APPARENT TEMP...90.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH LATE IN
THE MORNING.
MIXING HEIGHT (M)...152-1036 METERS AGL.
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTH 2 TO 6 METERS/SECOND.
LVORI...............4.
RAINFALL AMOUNT.....0.11 INCHES.
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........73 73 83 70 62 53
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
CHC OF PCPN (%).30 40 50 40 40 30
TEMP............72 76 81 83 84 83
DEWPOINT........70 73 73 73 73 72
RH..............93 90 77 72 70 70
APARNT TMP (F)..72 76 86 89 90 88
20 FT WIND DIR..ESE S SSE S S S
20 FT WIND SPD..1 2 5 7 8 9
20 FT WIND GUST.3 6 9 14 15 15
MIX HGT (M).....150 520 760 1040 940 880
TRANSP WIND DIR.SSE S S S S S
TRANSP WIND SPD.5 6 8 12 13 13
TRANS WIND DIR..SSE S S S S S
TRANS SPD (M/S).2 3 4 5 6 6
LVORI...........6 5 3 3 3 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........90 PERCENT.
DEWPOINT............71.
MAX APPARENT TEMP...88.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING
LIGHT, THEN BECOMING SOUTH AROUND 5 MPH AFTER 3
AM.
MIXING HEIGHT (M)...152-701 METERS AGL.
TRANSPORT WINDS.....SOUTH 8 TO 13 MPH.
TRANSPORT WINDS M/S.SOUTH 4 TO 6 METERS/SECOND.
LVORI...............5.
RAINFALL AMOUNT.....0.09 INCHES.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........53 66 60 65 79 70
WEATHER COV.....CHANCE S CHC S CHC S CHC CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE S CHC S CHC S CHC CHANCE CHANCE
CHC OF PCPN (%).30 20 20 20 30 40
TEMP............83 77 76 76 75 74
DEWPOINT........72 72 71 72 71 70
RH..............70 85 85 87 87 87
APARNT TMP (F)..88 77 76 76 75 74
20 FT WIND DIR..S SSE SSE SSE SSE SSE
20 FT WIND SPD..8 5 3 3 3 5
20 FT WIND GUST.14 10 9 8 8 10
MIX HGT (M).....700 300 210 210 180 150
TRANSP WIND DIR.S S S S S S
TRANSP WIND SPD.13 10 9 10 10 8
TRANS WIND DIR..S S S S S S
TRANS SPD (M/S).6 4 4 4 4 4
LVORI...........3 5 5 6 6 6
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........77 PERCENT.
DEWPOINT............72 INCREASING TO 75 IN THE AFTERNOON.
MAX APPARENT TEMP...90.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH.
MIXING HEIGHT (M)...152-975 METERS AGL.
TRANSPORT WINDS.....SOUTH 8 TO 16 MPH.
TRANSPORT WINDS M/S.SOUTH 4 TO 7 METERS/SECOND.
LVORI...............4.
RAINFALL AMOUNT.....0.44 INCHES.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........64 73 71 60 61 82
WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE LIKELY
CHC OF PCPN (%).60 60 60 70 70 70
TEMP............73 74 78 81 82 82
DEWPOINT........70 72 73 74 75 75
RH..............90 93 85 79 79 79
APARNT TMP (F)..73 74 78 86 89 89
20 FT WIND DIR..SSE SSE S S S S
20 FT WIND SPD..5 6 8 9 9 10
20 FT WIND GUST.10 13 15 18 18 17
MIX HGT (M).....150 370 520 640 850 940
TRANSP WIND DIR.S S S S S S
TRANSP WIND SPD.8 9 13 14 16 14
TRANS WIND DIR..S S S S S S
TRANS SPD (M/S).4 4 6 6 7 6
LVORI...........5 5 4 3 3 3
FORECASTER...GILMORE
REQUESTED BY...CLIFF WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2614078.1/LIX
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL CLIFTON.WILLIS@USDA.GOV
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