111
FNUS52 KILM 201822
FWFILM
FIRE WEATHER PLANNING FORECAST
FOR NORTHEAST SOUTH CAROLINA AND SOUTHEAST NORTH CAROLINA
NATIONAL WEATHER SERVICE WILMINGTON NC
222 PM EDT WED MAY 20 2026
DISCUSSION
BERMUDA HIGH PRESSURE WILL KEEP CONDITIONS WARM AND MAINLY DRY
THROUGH THURSDAY. SHOWERS AND THUNDERSTORM CHANCES INCREASE
THURSDAY NIGHT, THEN BECOME MORE LIKELY FRIDAY. ELEVATED RAIN
CHANCES CONTINUE THROUGH THE WEEKEND AND INTO THE FIRST PART OF
NEXT WEEK, MAINLY FROM THE TYPICAL SUMMERTIME PATTERN OF
AFTERNOON/EVENING SHOWERS AND STORMS.
FOG POTENTIAL FOR TONIGHT IS MODERATE TO HIGH, MAINLY INLAND.
NCZ105>110-210730-
INLAND PENDER-COASTAL PENDER-INLAND NEW HANOVER-
COASTAL NEW HANOVER-INLAND BRUNSWICK-COASTAL BRUNSWICK-
INCLUDING THE CITIES OF BURGAW, SURF CITY, WILMINGTON, MASONBORO,
MYRTLE GROVE, OGDEN, CAROLINA BEACH, SEAGATE,
BOILING SPRING LAKES, LELAND, SHALLOTTE, OAK ISLAND, LONG BEACH,
SOUTHPORT, AND SUNSET BEACH
222 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 30 60
CHANCE THUNDER (%) 0 0 20 50
MIN/MAX TEMP 66 89 67 85
MAX/MIN RH (%) 95 52 95 64
WIND 20FT/EARLY (MPH) S 4 LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR S 5 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1 1 6
PRECIP BEGIN 1 PM 11 PM CONTINUING
PRECIP END 5 PM CONTINUING CONTINUING
INVERSION(TEMP/TIME) 2000 72/0800 2000 72/0800
DISPERSION VERY POOR VERY POOR
DSI 3 2
MIXING HGT (FT) 5200 4400
TRANSPORT WIND (MPH) S 8 S 12
VENT RATE (MPH-FT) 41600 52800
ADI EARLY 10 POOR 33 FAIR 8 POOR 36 FAIR
ADI LATE 5 VERY POOR 49 GEN GOOD 4 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 5 6 5 6
MAX LVORI LATE 6 2 6 2
MIN VSBY EARLY 7 4 RAIN 7
MIN VSBY LATE 4 FOG 7 7
TURNER STABILITY F A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. MAXIMUM RH 91 PERCENT. CHANCE OF SHOWERS 50 PERCENT.
LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 70 PERCENT. SOUTH
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. MAXIMUM RH 94 PERCENT. CHANCE OF SHOWERS 40 PERCENT.
LIGHT WINDS.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID 80S.
MINIMUM RH 70 PERCENT. CHANCE OF SHOWERS 70 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
90 PERCENT. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID
80S. MINIMUM RH 66 PERCENT. CHANCE OF SHOWERS 50 PERCENT. SOUTH
WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. MAXIMUM RH
91 PERCENT. SOUTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 63 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 93 PERCENT. CHANCE OF SHOWERS
30 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 64 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
NCZ087-096-099-210730-
ROBESON-BLADEN-COLUMBUS-
INCLUDING THE CITIES OF LUMBERTON, ELIZABETHTOWN, BLADENBORO,
WHITEVILLE, TABOR CITY, CHADBOURN, AND LAKE WACCAMAW
222 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 70
CHANCE THUNDER (%) 0 0 20 50
MIN/MAX TEMP 66 92 67 86
MAX/MIN RH (%) 94 39 94 59
WIND 20FT/EARLY (MPH) S 4 LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01 0.07
PRECIP DURATION 2 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
INVERSION(TEMP/TIME) 2100 70/0800 2000 70/0800
DISPERSION VERY POOR VERY POOR
DSI 3 3
MIXING HGT (FT) 7100 4600
TRANSPORT WIND (MPH) S 7 SE 9
VENT RATE (MPH-FT) 49700 41400
ADI EARLY 9 POOR 31 FAIR 8 POOR 34 FAIR
ADI LATE 5 VERY POOR 60 GEN GOOD 4 VERY POOR 40 FAIR
MAX LVORI EARLY 5 6 4 5
MAX LVORI LATE 6 1 6 2
MIN VSBY EARLY 7 3 FOG 6 RAIN
MIN VSBY LATE 3 FOG 7 7
TURNER STABILITY F A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 93 PERCENT. CHANCE OF SHOWERS
50 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 67 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 98 PERCENT. CHANCE OF SHOWERS
50 PERCENT. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 65 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 70. MAXIMUM RH
92 PERCENT. LIGHT WINDS.
MONDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 60 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH
93 PERCENT. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 55 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 93 PERCENT. CHANCE OF SHOWERS
50 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 56 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. LIGHT WINDS.
SCZ054>056-058-059-210730-
COASTAL HORRY-INLAND GEORGETOWN-COASTAL GEORGETOWN-CENTRAL HORRY-
NORTHERN HORRY-
INCLUDING THE CITIES OF MYRTLE BEACH, SOCASTEE,
NORTH MYRTLE BEACH, GARDEN CITY, LITTLE RIVER, ANDREWS,
GEORGETOWN, MURRELLS INLET, CONWAY, RED HILL, LORIS, AND AYNOR
222 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 20 50
CHANCE THUNDER (%) 0 0 0 50
MIN/MAX TEMP 65 90 67 86
MAX/MIN RH (%) 96 49 93 61
WIND 20FT/EARLY (MPH) S 4 LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR S 5 LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 0 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
INVERSION(TEMP/TIME) 2000 74/0900 2000 75/0900
DISPERSION VERY POOR VERY POOR
DSI 3 2
MIXING HGT (FT) 6000 4700
TRANSPORT WIND (MPH) S 8 S 12
VENT RATE (MPH-FT) 48000 56400
ADI EARLY 9 POOR 31 FAIR 9 POOR 36 FAIR
ADI LATE 4 VERY POOR 53 GEN GOOD 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 6 6 5 6
MAX LVORI LATE 6 1 6 3
MIN VSBY EARLY 7 3 FOG 7
MIN VSBY LATE 3 FOG 7 7
TURNER STABILITY F A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS. LOWS IN THE LOWER 70S. MAXIMUM RH 91 PERCENT. LIGHT
WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 71 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 70S. MAXIMUM RH 92 PERCENT. CHANCE OF SHOWERS
40 PERCENT. LIGHT WINDS.
SUNDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 70 PERCENT. SOUTH
WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
90 PERCENT. LIGHT WINDS.
MONDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 66 PERCENT. SOUTH
WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
91 PERCENT. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 64 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH
93 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 64 PERCENT. LIGHT
WINDS.
SCZ017-023-024-032-033-039-210730-
MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-WILLIAMSBURG-
INCLUDING THE CITIES OF BENNETTSVILLE, MCCOLL, HARTSVILLE,
DARLINGTON, NORTH HARTSVILLE, DILLON, FLORENCE, MARION, MULLINS,
AND KINGSTREE
222 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 20 60
CHANCE THUNDER (%) 0 0 20 50
MIN/MAX TEMP 65 91 67 87
MAX/MIN RH (%) 93 37 93 52
WIND 20FT/EARLY (MPH) SE 5 LGT/VAR SE 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR LGT/VAR LGT/VAR SE 4
PRECIP AMOUNT 0.00 0.00 0.02 0.09
PRECIP DURATION 2 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
INVERSION(TEMP/TIME) 2000 69/0800 2000 71/0800
DISPERSION VERY POOR VERY POOR
DSI 3 3
MIXING HGT (FT) 7400 5700
TRANSPORT WIND (MPH) S 7 SE 9
VENT RATE (MPH-FT) 51800 51300
ADI EARLY 9 POOR 31 FAIR 7 POOR 37 FAIR
ADI LATE 5 VERY POOR 68 GOOD 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 6 1 6 2
MIN VSBY EARLY 7 4 FOG 6 RAIN
MIN VSBY LATE 3 FOG 7 7
TURNER STABILITY F A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 92 PERCENT. CHANCE OF SHOWERS
50 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 66 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH
94 PERCENT. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 63 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH
92 PERCENT. LIGHT WINDS.
MONDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 60 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH
93 PERCENT. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 55 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. MAXIMUM RH 93 PERCENT. CHANCE OF SHOWERS
50 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. LIGHT WINDS.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
SC USERS NC USERS
===================================================================
VENTILATION RATE BURN CATEGORY VENTILATION RATE
===================================================================
NOT USED 0 0 TO 14759
0 TO 17249 1 14760 TO 33499
17250 TO 34499 2 33500 TO 44999
34500 TO 51749 3 45000 TO 59999
51750 TO 68999 4 60000 TO 111999
69000 OR GREATER 5 112000 OR GREATER
SC USERS NC USERS
===================================================================
FORECAST SURFACE WIND DISPERSION FORECAST SURFACE WIND
===================================================================
STAGNANT NEAR CALM
CALM VERY POOR 2 TO 4 MPH
2 TO 5 MPH POOR 5 TO 8 MPH
6 TO 8 MPH FAIR 9 TO 12 MPH
9 TO 13 MPH GOOD GREATER THAN 12 MPH
14 MPH OR MORE EXCELLENT
ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
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