449  
FNUS52 KGSP 211849  
FWFGSP  
 
FIRE WEATHER PLANNING FORECAST FOR MUCH OF WRN NC...NW SC AND NE GA  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
248 PM EDT THU MAY 21 2026  
   
DISCUSSION
 
 
1. A COLD FRONT WILL DROP DOWN FROM THE NORTHWEST TONIGHT, USHERING  
IN A CHANGE IN OUR WEATHER FOR THE MEMORIAL DAY WEEKEND. THE  
NEW PATTERN WILL SUPPORT A PERIOD OF COOLER AND MORE UNSETTLED  
WEATHER THAT COULD ULTIMATELY PUT A DENT IN OUR DROUGHT AS IT  
PERSISTS INTO THE MIDDLE OF NEXT WEEK. AT THIS TIME, THE RISK OF  
SEVERE THUNDERSTORMS AND FLOODING RAIN APPEARS LOW.  
 
NCZ033-049-050-501-503-505-220800-  
AVERY-YANCEY-MITCHELL-CALDWELL MOUNTAINS-BURKE MOUNTAINS-  
MCDOWELL MOUNTAINS-  
INCLUDING THE CITIES OF INGALLS, BANNER ELK, NEWLAND, SWISS,  
BURNSVILLE, CELO, MICAVILLE, RAMSEYTOWN, BUSICK, SPRUCE PINE,  
POPLAR, PATTERSON, JONAS RIDGE, ASHFORD, SUGAR HILL, WOODLAWN,  
AND OLD FORT  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 100 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 58 65 57 67  
MAX/MIN RH % 100 83 100 85  
WIND 20FT/EARLY(MPH) LGT/VAR E 4 E 5 G18 SE 4 G16  
WIND 20FT/LATE(MPH) E 3 SE 4 SE 5 G19 S 4  
PRECIP DURATION 8 3 8 8  
PRECIP AMOUNT 0.28 0.12 0.59 0.27  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 30 30 30 40  
INVERSION(TEMP/TIME) NONE NONE NONE NONE  
DISPERSION VERY POOR FAIR  
DSI 1 1  
MIXING HGT(FT-AGL) 2000 2300  
TRANSPORT WND (MPH) SE 10 S 9  
VENT RATE (MPH-FT) 20000 20700  
ADI EARLY 14 GEN POOR 14 GEN POOR 15 GEN POOR 11 POOR  
ADI LATE 6 VERY POOR 16 GEN POOR 9 POOR 21 FAIR  
MAX LVORI EARLY 5 9 8 7  
MAX LVORI LATE 9 6 8 6  
MIN VSBY EARLY 4 FOG 2 FOG 2 FOG  
MIN VSBY LATE 1 FOG 2 FOG 1 FOG  
TURNER STABILITY 6 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 50S. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 78 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS  
AROUND 60. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 85 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS AROUND 60. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 78 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND  
60. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 74 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 50S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 68 PERCENT.  
LIGHT WINDS.  
 

 
 
NCZ048-052-053-064-065-507-509-220800-  
MADISON-HAYWOOD-BUNCOMBE-TRANSYLVANIA-HENDERSON-  
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-  
INCLUDING THE CITIES OF FAUST, MARS HILL, MARSHALL, WALNUT,  
ALLENSTAND, HOT SPRINGS, LUCK, WAYNESVILLE, WATERVILLE, CANTON,  
CRUSO, COVE CREEK, ASHEVILLE, BLACK MOUNTAIN, CANDLER, BREVARD,  
CEDAR MOUNTAIN, LITTLE RIVER, HENDERSONVILLE, FLETCHER, DANA,  
EAST FLAT ROCK, TUXEDO, ETOWAH, CHIMNEY ROCK STATE PARK,  
AND SALUDA  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
CHANCE PRECIP (%) 80 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 59 69 59 69  
MAX/MIN RH % 100 79 100 82  
WIND 20FT/EARLY(MPH) LGT/VAR SE 5 G15 SE 6 G18 S 5 G16  
WIND 20FT/LATE(MPH) SE 4 SE 6 G15 SE 6 G18 S 5  
PRECIP DURATION 4 3 8 8  
PRECIP AMOUNT 0.23 0.17 0.69 0.29  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 40 40 40  
INVERSION(TEMP/TIME) NONE NONE NONE NONE  
DISPERSION VERY POOR FAIR  
DSI 1 1  
MIXING HGT(FT-AGL) 2700 3200  
TRANSPORT WND (MPH) S 12 S 10  
VENT RATE (MPH-FT) 32400 32000  
ADI EARLY 16 GEN POOR 25 FAIR 31 FAIR 24 FAIR  
ADI LATE 6 VERY POOR 36 FAIR 9 POOR 37 FAIR  
MAX LVORI EARLY 7 8 8 7  
MAX LVORI LATE 8 5 8 5  
MIN VSBY EARLY 7 3 FOG 2 FOG  
MIN VSBY LATE 3 FOG 3 FOG 1 FOG  
TURNER STABILITY 5 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS  
AROUND 60. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 77 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 81 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 78 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 74 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 50S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S. MINIMUM RH 70 PERCENT. LIGHT  
WINDS.  
 

 
 
NCZ303-220800-  
NORTH CAROLINA PORTION OF THE GREAT SMOKY MOUNTAINS NATIONAL PARK-  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
CHANCE PRECIP (%) 60 80 90 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 58 69 58 68  
MAX/MIN RH % 100 79 100 84  
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G16 S 8 G19 S 7 G18  
WIND 20FT/LATE(MPH) SE 4 S 6 G16 S 8 G19 S 5 G15  
PRECIP DURATION 2 4 6 8  
PRECIP AMOUNT 0.07 0.20 0.45 0.31  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 50 50 40  
INVERSION(TEMP/TIME) 2200 60/0900 0300 60/0800  
DISPERSION VERY POOR FAIR  
DSI 1 1  
MIXING HGT(FT-AGL) 2900 3300  
TRANSPORT WND (MPH) S 16 SW 13  
VENT RATE (MPH-FT) 46400 42900  
ADI EARLY 15 GEN POOR 29 FAIR 36 FAIR 30 FAIR  
ADI LATE 6 VERY POOR 48 GEN GOOD 10 POOR 41 GEN GOOD  
MAX LVORI EARLY 9 8 7 8  
MAX LVORI LATE 9 4 8 4  
MIN VSBY EARLY 6 FOG 3 FOG 3 FOG  
MIN VSBY LATE 3 FOG 3 FOG 2 FOG  
TURNER STABILITY 5 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND  
5 MPH.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 75 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 50S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 77 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 50S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 70S. MINIMUM RH 75 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 70S. MINIMUM RH 71 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE UPPER 50S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 70S. MINIMUM RH 66 PERCENT. LIGHT  
WINDS.  
 

 
 
NCZ051-058-059-062-063-220800-  
SWAIN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-  
INCLUDING THE CITIES OF ALARKA, ALMOND, BRYSON CITY, LUADA,  
WESSER, ROBBINSVILLE, STECOAH, CULLOWHEE, TUCKASEGEE, SYLVA,  
FRANKLIN, RAINBOW SPRINGS, KYLE, HIGHLANDS, WOLF MOUNTAIN,  
AND CASHIERS  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 60 80 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 59 70 59 69  
MAX/MIN RH % 100 77 100 83  
WIND 20FT/EARLY(MPH) LGT/VAR SE 4 G15 SE 5 G18 S 4 G16  
WIND 20FT/LATE(MPH) LGT/VAR S 5 G15 SE 5 G18 S 4  
PRECIP DURATION 2 4 8 8  
PRECIP AMOUNT 0.16 0.22 0.65 0.37  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 50 50 40  
INVERSION(TEMP/TIME) 2200 61/0900 0300 61/0800  
DISPERSION VERY POOR FAIR  
DSI 1 1  
MIXING HGT(FT-AGL) 2900 3000  
TRANSPORT WND (MPH) S 14 S 9  
VENT RATE (MPH-FT) 40600 27000  
ADI EARLY 14 GEN POOR 30 FAIR 32 FAIR 24 FAIR  
ADI LATE 5 VERY POOR 45 GEN GOOD 9 POOR 34 FAIR  
MAX LVORI EARLY 8 9 8 8  
MAX LVORI LATE 9 4 8 4  
MIN VSBY EARLY 6 FOG 3 FOG 3 FOG  
MIN VSBY LATE 3 FOG 4 FOG 2 FOG  
TURNER STABILITY 6 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS  
AROUND 60. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 76 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS  
AROUND 60. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
70S. MINIMUM RH 77 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS  
AROUND 60. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 70S. MINIMUM RH 75 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
UPPER 50S. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 70 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. LIGHT  
WINDS.    
THURSDAY
 
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 66 PERCENT.  
LIGHT WINDS.  
 

 
 
NCZ035-056-068-502-504-506-508-510-220800-  
ALEXANDER-CATAWBA-CLEVELAND-GREATER CALDWELL-GREATER BURKE-  
EASTERN MCDOWELL-GREATER RUTHERFORD-EASTERN POLK-  
INCLUDING THE CITIES OF BETHLEHEM, ELLENDALE, MILLERSVILLE,  
TAYLORSVILLE, HIDDENITE, STONY POINT, HICKORY, NEWTON,  
ST. STEPHENS, SHELBY, KINGS MOUNTAIN, KINGS CREEK, LENOIR,  
SAWMILLS, GRANITE FALLS, MORGANTON, PLEASANT GROVE, VALDESE,  
MARION, NEBO, DYSARTSVILLE, FERO, GLENWOOD, FOREST CITY,  
RUTHERFORDTON, SPINDALE, TRYON, COLUMBUS, AND MILL SPRING  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 90 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 60 70 59 71  
MAX/MIN RH % 100 85 100 93  
WIND 20FT/EARLY(MPH) N 3 NE 4 NE 4 E 3  
WIND 20FT/LATE(MPH) NE 5 NE 4 NE 3 S 4  
PRECIP DURATION 6 3 8 8  
PRECIP AMOUNT 0.33 0.16 0.70 0.43  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 30 30 40  
INVERSION(TEMP/TIME) NONE NONE NONE NONE  
DISPERSION POOR POOR  
DSI 1 1  
MIXING HGT(FT-AGL) 2000 2100  
TRANSPORT WND (MPH) NE 9 SE 6  
VENT RATE (MPH-FT) 18000 12600  
ADI EARLY 33 FAIR 15 GEN POOR 19 GEN POOR 10 POOR  
ADI LATE 9 POOR 20 GEN POOR 7 POOR 17 GEN POOR  
MAX LVORI EARLY 5 8 8 9  
MAX LVORI LATE 8 5 9 8  
MIN VSBY EARLY 8 3 FOG 3 FOG  
MIN VSBY LATE 4 FOG 3 FOG 1 FOG  
TURNER STABILITY 5 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 77 PERCENT. LIGHT  
WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 80.  
MINIMUM RH 80 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 76 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 60S. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 71 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE LOWER 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 68 PERCENT. LIGHT  
WINDS.  
 

 
 
NCZ036-037-057-220800-  
IREDELL-DAVIE-ROWAN-  
INCLUDING THE CITIES OF STATESVILLE, MOORESVILLE, FARMINGTON,  
FORK CHURCH, MOCKSVILLE, ADVANCE, AND SALISBURY  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 90 60 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 59 71 59 71  
MAX/MIN RH % 100 84 100 96  
WIND 20FT/EARLY(MPH) NE 5 NE 5 NE 5 SE 3  
WIND 20FT/LATE(MPH) NE 5 NE 5 NE 3 S 4  
PRECIP DURATION 6 2 8 8  
PRECIP AMOUNT 0.38 0.07 0.40 0.44  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 50 20 30 30  
INVERSION(TEMP/TIME) NONE NONE NONE NONE  
DISPERSION FAIR POOR  
DSI 1 1  
MIXING HGT(FT-AGL) 2400 1900  
TRANSPORT WND (MPH) E 10 E 7  
VENT RATE (MPH-FT) 24000 13300  
ADI EARLY 39 FAIR 17 GEN POOR 27 FAIR 12 POOR  
ADI LATE 11 POOR 26 FAIR 8 POOR 15 GEN POOR  
MAX LVORI EARLY 6 8 8 9  
MAX LVORI LATE 8 5 9 6  
MIN VSBY EARLY 7 3 FOG 3 FOG  
MIN VSBY LATE 5 FOG 3 FOG 3 FOG  
TURNER STABILITY 5 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 79 PERCENT. LIGHT  
WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND 80.  
MINIMUM RH 81 PERCENT. SOUTH WINDS AROUND 5 MPH.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 76 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE  
LOWER 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 72 PERCENT.  
LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE LOWER 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 69 PERCENT. LIGHT  
WINDS.  
 

 
 
NCZ069>072-082-220800-  
LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION-  
INCLUDING THE CITIES OF LINCOLNTON, CROUSE, GASTONIA, CHARLOTTE,  
CONCORD, KANNAPOLIS, MONROE, TRINITY, INDIAN TRAIL,  
AND WEDDINGTON  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 80 60 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 63 77 63 76  
MAX/MIN RH % 100 69 100 82  
WIND 20FT/EARLY(MPH) NE 4 NE 4 NE 5 SE 4  
WIND 20FT/LATE(MPH) NE 4 NE 6 E 3 S 6  
PRECIP DURATION 4 2 8 8  
PRECIP AMOUNT 0.23 0.10 0.44 0.39  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 40 40 40  
INVERSION(TEMP/TIME) NONE NONE NONE NONE  
DISPERSION POOR POOR  
DSI 1 2  
MIXING HGT(FT-AGL) 3300 2200  
TRANSPORT WND (MPH) E 8 S 8  
VENT RATE (MPH-FT) 26400 17600  
ADI EARLY 44 GEN GOOD 16 GEN POOR 26 FAIR 16 GEN POOR  
ADI LATE 9 POOR 25 FAIR 7 POOR 20 GEN POOR  
MAX LVORI EARLY 5 9 8 9  
MAX LVORI LATE 9 4 9 5  
MIN VSBY EARLY 9 3 FOG 3 FOG  
MIN VSBY LATE 6 FOG 4 FOG 2 FOG  
TURNER STABILITY 5 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 74 PERCENT.  
SOUTH WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 73 PERCENT.  
SOUTH WINDS AROUND 5 MPH.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 71 PERCENT. SOUTH WINDS AROUND 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 67 PERCENT.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 65 PERCENT.  
WEST WINDS AROUND 5 MPH.  
 

 
 
GAZ010-017-220800-  
RABUN-HABERSHAM-  
INCLUDING THE CITIES OF CLAYTON, PINE MOUNTAIN, MOUNTAIN CITY,  
CORNELIA, BALDWIN, DEMOREST, CLARKESVILLE, AND HOLLYWOOD  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 80 80 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 61 71 61 72  
MAX/MIN RH % 100 84 100 88  
WIND 20FT/EARLY(MPH) LGT/VAR E 4 E 3 LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR E 4 SE 3 S 3  
PRECIP DURATION 4 4 8 8  
PRECIP AMOUNT 0.24 0.38 1.16 0.58  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 50 50 30  
INVERSION(TEMP/TIME) 2000 64/1000 NONE NONE  
DISPERSION VERY POOR VERY POOR  
DSI 1 1  
MIXING HGT(FT-AGL) 2000 2600  
TRANSPORT WND (MPH) SE 10 S 8  
VENT RATE (MPH-FT) 20000 20800  
ADI EARLY 12 POOR 15 GEN POOR 16 GEN POOR 13 GEN POOR  
ADI LATE 4 VERY POOR 23 FAIR 8 POOR 26 FAIR  
MAX LVORI EARLY 10 9 9 8  
MAX LVORI LATE 10 5 9 5  
MIN VSBY EARLY 7 3 FOG 3 FOG  
MIN VSBY LATE 5 FOG 4 FOG 2 FOG  
TURNER STABILITY 6 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 77 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 77 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 76 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 68 PERCENT. LIGHT  
WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE LOWER 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS AROUND 80. MINIMUM RH 64 PERCENT. LIGHT  
WINDS.  
 

 
 
GAZ018-026-028-029-220800-  
STEPHENS-FRANKLIN-HART-ELBERT-  
INCLUDING THE CITIES OF BOYDVILLE, TOCCOA, ROYSTON, GUMLOG,  
LAVONIA, FRANKLIN SPRINGS, CANON, HARTWELL, NUBERG, REED CREEK,  
ELBERTON, FORTSONIA, MIDDLETON, AND RUCKERSVILLE  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 80 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 65 79 64 77  
MAX/MIN RH % 100 72 100 87  
WIND 20FT/EARLY(MPH) LGT/VAR E 5 E 3 SE 4  
WIND 20FT/LATE(MPH) LGT/VAR E 5 E 3 S 5  
PRECIP DURATION 4 3 8 8  
PRECIP AMOUNT 0.16 0.26 0.79 0.44  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 50 50 50 40  
INVERSION(TEMP/TIME) 2100 67/0800 0400 66/0800  
DISPERSION VERY POOR VERY POOR  
DSI 1 2  
MIXING HGT(FT-AGL) 3100 2900  
TRANSPORT WND (MPH) E 9 S 8  
VENT RATE (MPH-FT) 27900 23200  
ADI EARLY 33 FAIR 19 GEN POOR 22 FAIR 20 GEN POOR  
ADI LATE 4 VERY POOR 29 FAIR 7 POOR 26 FAIR  
MAX LVORI EARLY 7 9 9 9  
MAX LVORI LATE 9 4 9 5  
MIN VSBY EARLY 9 4 FOG 2 FOG  
MIN VSBY LATE 8 4 FOG 2 FOG  
TURNER STABILITY 6 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 75 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 76 PERCENT.  
LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 80S. MINIMUM RH 74 PERCENT. SOUTH WINDS AROUND 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 68 PERCENT. SOUTH  
WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE MID 80S. MINIMUM RH 64 PERCENT.  
NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
SCZ101>103-220800-  
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-  
INCLUDING THE CITIES OF MOUNTAIN REST, ROCKY BOTTOM,  
AND GLASSY MOUNTAIN  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 90 80 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 63 71 62 71  
MAX/MIN RH % 100 86 100 89  
WIND 20FT/EARLY(MPH) LGT/VAR E 3 LGT/VAR LGT/VAR  
WIND 20FT/LATE(MPH) LGT/VAR E 3 LGT/VAR LGT/VAR  
PRECIP DURATION 6 4 8 8  
PRECIP AMOUNT 0.22 0.37 1.39 0.65  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 50 50 40  
INVERSION(TEMP/TIME) 2000 63/0800 NONE NONE  
DISPERSION VERY POOR VERY POOR  
DSI 1 1  
MIXING HGT(FT-AGL) 1700 2100  
TRANSPORT WND (MPH) E 8 S 7  
VENT RATE (MPH-FT) 13600 14700  
ADI EARLY 16 GEN POOR 13 GEN POOR 15 GEN POOR 9 POOR  
ADI LATE 3 VERY POOR 16 GEN POOR 6 VERY POOR 18 GEN POOR  
MAX LVORI EARLY 6 9 9 8  
MAX LVORI LATE 9 6 9 7  
MIN VSBY EARLY 8 3 FOG 2 FOG  
MIN VSBY LATE 5 FOG 4 FOG 1 FOG  
TURNER STABILITY 6 2 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 80 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS WITH THUNDERSTORMS LIKELY. HIGHS IN THE UPPER  
70S. MINIMUM RH 81 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
UPPER 70S. MINIMUM RH 80 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.    
WEDNESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS AROUND  
80. MINIMUM RH 73 PERCENT. LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE LOWER 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE UPPER 70S. MINIMUM RH 71 PERCENT.  
LIGHT WINDS.  
 

 
 
SCZ008-010-104>109-220800-  
CHEROKEE-ANDERSON-GREATER OCONEE-GREATER PICKENS-  
CENTRAL GREENVILLE-SOUTHERN GREENVILLE-NORTHERN SPARTANBURG-  
SOUTHERN SPARTANBURG-  
INCLUDING THE CITIES OF GAFFNEY, ANDERSON, SENECA, WALHALLA,  
OAKWAY, WESTMINSTER, EASLEY, DACUSVILLE, CLEMSON, GREENVILLE,  
TAYLORS, GREER, BEREA, MAULDIN, FORK SHOALS, SIMPSONVILLE,  
FOUNTAIN INN, BOILING SPRINGS SC, FINGERVILLE, DUNCAN, LYMAN,  
LANDRUM, WELLFORD, INMAN, AND SPARTANBURG  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 70 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 64 75 63 74  
MAX/MIN RH % 100 77 100 89  
WIND 20FT/EARLY(MPH) LGT/VAR NE 5 E 4 SE 3  
WIND 20FT/LATE(MPH) NE 4 NE 5 E 3 S 5  
PRECIP DURATION 3 2 8 8  
PRECIP AMOUNT 0.16 0.23 0.85 0.49  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 40 50 50 40  
INVERSION(TEMP/TIME) 2100 65/0600 NONE NONE  
DISPERSION VERY POOR POOR  
DSI 1 1  
MIXING HGT(FT-AGL) 2400 2700  
TRANSPORT WND (MPH) E 9 S 7  
VENT RATE (MPH-FT) 21600 18900  
ADI EARLY 35 FAIR 18 GEN POOR 20 GEN POOR 14 GEN POOR  
ADI LATE 6 VERY POOR 22 FAIR 7 POOR 23 FAIR  
MAX LVORI EARLY 6 8 9 9  
MAX LVORI LATE 8 5 9 5  
MIN VSBY EARLY 9 3 FOG 3 FOG  
MIN VSBY LATE 7 4 FOG 2 FOG  
TURNER STABILITY 5 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 60S. LIGHT WINDS.    
SUNDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 75 PERCENT.  
LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 76 PERCENT.  
LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 74 PERCENT. SOUTH WINDS AROUND 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 69 PERCENT.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 65 PERCENT.  
LIGHT WINDS.  
 

 
 
SCZ009-011>014-019-220800-  
YORK-ABBEVILLE-LAURENS-UNION-CHESTER-GREENWOOD-  
INCLUDING THE CITIES OF CATAWBA, ROCK HILL, ABBEVILLE,  
CALHOUN FALLS, LAURENS, CLINTON, UNION, MONARCH MILLS,  
BLACKSTOCK, CHESTER, CORNWELL, GREAT FALLS, WARE SHOALS,  
AND NINETY SIX  
248 PM EDT THU MAY 21 2026  
 
TONIGHT FRI FRI NIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY CLOUDY  
CHANCE PRECIP (%) 60 70 100 100  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
MIN/MAX TEMP 65 80 64 77  
MAX/MIN RH % 100 64 100 80  
WIND 20FT/EARLY(MPH) LGT/VAR NE 3 LGT/VAR S 3  
WIND 20FT/LATE(MPH) LGT/VAR E 4 LGT/VAR S 4  
PRECIP DURATION 2 3 8 8  
PRECIP AMOUNT 0.09 0.16 0.55 0.44  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
CHANCE OF THUNDER (%) 30 50 50 50  
INVERSION(TEMP/TIME) 2100 66/0700 0400 67/0900  
DISPERSION VERY POOR VERY POOR  
DSI 2 2  
MIXING HGT(FT-AGL) 3300 2800  
TRANSPORT WND (MPH) E 7 S 7  
VENT RATE (MPH-FT) 23100 19600  
ADI EARLY 45 GEN GOOD 17 GEN POOR 18 GEN POOR 17 GEN POOR  
ADI LATE 5 VERY POOR 23 FAIR 4 VERY POOR 22 FAIR  
MAX LVORI EARLY 5 9 9 9  
MAX LVORI LATE 9 3 9 5  
MIN VSBY EARLY 9 4 FOG 3 FOG  
MIN VSBY LATE 7 4 FOG 2 FOG  
TURNER STABILITY 6 3 6 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
SUNDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 71 PERCENT. LIGHT WINDS.    
SUNDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
MONDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 80S. MINIMUM RH 73 PERCENT. LIGHT WINDS.    
MONDAY NIGHT
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 60S. LIGHT WINDS.    
TUESDAY
 
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 80S. MINIMUM RH 70 PERCENT. LIGHT WINDS.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 60S. LIGHT WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 66 PERCENT.  
LIGHT WINDS.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
IN THE MID 60S. LIGHT WINDS.    
THURSDAY
 
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 80S. MINIMUM RH 61 PERCENT.  
LIGHT WINDS.  
 

 
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.  
 

 
 
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