825
FNUS52 KILM 210648
FWFILM
FIRE WEATHER PLANNING FORECAST
FOR NORTHEAST SOUTH CAROLINA AND SOUTHEAST NORTH CAROLINA
NATIONAL WEATHER SERVICE WILMINGTON NC
248 AM EDT THU MAY 21 2026
DISCUSSION
WARM TEMPERATURES AND MOSTLY DRY CONDITIONS CONTINUE TODAY.
SHOWERS AND THUNDERSTORM CHANCES INCREASE TONIGHT, BECOMING 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.
WIND PROFILE ANALYSIS/FIRE CONTROL OVER FLAT TERRAIN IS FAVORABLE.
FOG POTENTIAL FOR TONIGHT IS MODERATE.
NCZ105>110-212000-
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
248 AM EDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 40
CHANCE THUNDER (%) 0 0 20
MAX/MIN TEMP 88 67 85
MIN/MAX RH (%) 50 99 63
WIND 20FT/EARLY (MPH) LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) S 5 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.02 0.08
PRECIP DURATION 1 0 2
PRECIP BEGIN 11 AM 4 AM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
INVERSION(TEMP/TIME) 75/0900 2000 74/0900
DISPERSION VERY POOR
DSI 3 3
MIXING HGT (FT) 4700 4400
TRANSPORT WIND (MPH) S 8 S 14
VENT RATE (MPH-FT) 37600 61600
ADI EARLY 32 FAIR 9 POOR 33 FAIR
ADI LATE 56 GEN GOOD 6 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 5 7
MAX LVORI LATE 1 9 3
MIN VSBY EARLY 0 RAIN 7 7
MIN VSBY LATE 7 7 7
TURNER STABILITY 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 93 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 72 PERCENT. SOUTH
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. MAXIMUM RH
92 PERCENT. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 73 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
93 PERCENT. SOUTH WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 64 PERCENT. SOUTH
WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
92 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 61 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 70. MAXIMUM RH 95 PERCENT. CHANCE OF SHOWERS 40 PERCENT.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
NCZ087-096-099-212000-
ROBESON-BLADEN-COLUMBUS-
INCLUDING THE CITIES OF LUMBERTON, ELIZABETHTOWN, BLADENBORO,
WHITEVILLE, TABOR CITY, CHADBOURN, AND LAKE WACCAMAW
248 AM EDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE THUNDER (%) 0 0 50
MAX/MIN TEMP 91 67 86
MIN/MAX RH (%) 39 98 56
WIND 20FT/EARLY (MPH) LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR LGT/VAR SE 4
PRECIP AMOUNT 0.00 0.00 0.10
PRECIP DURATION 2
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
INVERSION(TEMP/TIME) 74/0900 2000 71/0800
DISPERSION VERY POOR
DSI 3 3
MIXING HGT (FT) 7500 5300
TRANSPORT WIND (MPH) S 8 S 12
VENT RATE (MPH-FT) 60000 63600
ADI EARLY 32 FAIR 7 POOR 31 FAIR
ADI LATE 67 GOOD 5 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 8 5 7
MAX LVORI LATE 1 9 2
MIN VSBY EARLY 0 FOG 7 7
MIN VSBY LATE 7 7 7
TURNER STABILITY A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH 94 PERCENT.
LIGHT WINDS.
SATURDAY
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 69 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 94 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 69 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. MAXIMUM RH 95 PERCENT. CHANCE OF THUNDERSTORMS
50 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY 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 WITH A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. MAXIMUM RH 94 PERCENT. CHANCE OF THUNDERSTORMS
40 PERCENT. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH
96 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 55 PERCENT.
SOUTHWEST WINDS AROUND 5 MPH.
SCZ054>056-058-059-212000-
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
248 AM EDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE THUNDER (%) 0 0 20
MAX/MIN TEMP 89 67 86
MIN/MAX RH (%) 44 98 61
WIND 20FT/EARLY (MPH) LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) S 5 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
INVERSION(TEMP/TIME) 75/0900 2000 75/0900
DISPERSION VERY POOR
DSI 3 3
MIXING HGT (FT) 6300 5000
TRANSPORT WIND (MPH) S 9 S 14
VENT RATE (MPH-FT) 56700 70000
ADI EARLY 30 FAIR 11 POOR 35 FAIR
ADI LATE 53 GEN GOOD 5 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 9 5 7
MAX LVORI LATE 2 8 2
MIN VSBY EARLY 0 FOG 7 7
MIN VSBY LATE 7 7 7
TURNER STABILITY A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 70S. MAXIMUM RH 92 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 73 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
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 73 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 70S. MAXIMUM RH
92 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
93 PERCENT. LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 70. MAXIMUM RH
95 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. LIGHT WINDS.
SCZ017-023-024-032-033-039-212000-
MARLBORO-DARLINGTON-DILLON-FLORENCE-MARION-WILLIAMSBURG-
INCLUDING THE CITIES OF BENNETTSVILLE, MCCOLL, HARTSVILLE,
DARLINGTON, NORTH HARTSVILLE, DILLON, FLORENCE, MARION, MULLINS,
AND KINGSTREE
248 AM EDT THU MAY 21 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE THUNDER (%) 0 0 40
MAX/MIN TEMP 91 66 87
MIN/MAX RH (%) 37 98 52
WIND 20FT/EARLY (MPH) LGT/VAR S 4 LGT/VAR
WIND 20FT/LATE (MPH) LGT/VAR LGT/VAR SE 4
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
INVERSION(TEMP/TIME) 73/0900 2000 74/0900
DISPERSION VERY POOR
DSI 3 3
MIXING HGT (FT) 8100 6100
TRANSPORT WIND (MPH) S 7 S 12
VENT RATE (MPH-FT) 56700 73200
ADI EARLY 31 FAIR 7 POOR 39 FAIR
ADI LATE 71 GOOD 5 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 8 4 7
MAX LVORI LATE 1 7 1
MIN VSBY EARLY 0 FOG 7 7
MIN VSBY LATE 7 7 7
TURNER STABILITY A F B
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH 93 PERCENT.
LIGHT WINDS.
SATURDAY
CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 70 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 94 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 68 PERCENT.
CHANCE OF PRECIPITATION 70 PERCENT. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF THUNDERSTORMS.
LOWS AROUND 70. MAXIMUM RH 94 PERCENT. CHANCE OF THUNDERSTORMS
50 PERCENT. LIGHT WINDS.
MONDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 59 PERCENT.
SOUTH WINDS AROUND 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH 94 PERCENT.
LIGHT WINDS.
TUESDAY
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.
SOUTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH
96 PERCENT. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 53 PERCENT.
CHANCE OF PRECIPITATION 60 PERCENT. LIGHT WINDS.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR 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.
FORECASTER...21
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