620
FNUS72 KCHS 260826
FWSCHS
SPOT FORECAST FOR C18 LL FMNF...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
426 AM EDT MON OCT 26 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON OCTOBER 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
STRONG HIGH PRESSURE WILL EXTEND ACROSS THE REGION THROUGH THE
WEEK. THIS WILL KEEP DRY CONDITIONS IN PLACE WITH NO CHANCES FOR
MEASURABLE RAINFALL. IT WILL BE BREEZY THROUGH MOST OF THIS WEEK
WITH GUSTY NORTHEAST WINDS. WIND GUSTS WILL BE AROUND 15 TO 20 MPH
OUT OF THE NORTHEAST THIS AFTERNOON. AFTERNOON RELATIVE HUMIDITY
VALUES WILL BE AROUND 45 PERCENT TODAY AND 30 PERCENT ON TUESDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH WITH GUSTS TO
AROUND 16 MPH IN THE LATE MORNING AND EARLY
AFTERNOON BECOMING LIGHT.
MIXING HEIGHT.......MAX 3800 FT AGL.
TRANSPORT WINDS.....NORTHEAST 14 TO 16 MPH.
MAX ADI.............62.
INVERSION END.......900
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 4 2 1 1 1 1 1 1
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............52 58 63 67 70 72 73 73 73
RH..............86 75 65 56 51 48 44 44 44
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..5 5 5 5 5 5 4 4 3
20 FT WIND GUST.14 16 16 16 14 14 13 13 11
MIX HGT (KFT)...1.0 1.3 1.8 2.6 3.1 3.4 3.7 3.8 3.4
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.14 14 14 16 16 16 14 14 14
LVORI...........4 3 1 1 1 1 1 1 1
ADI.............14 26 41 55 57 58 62 58 53
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........8.
MIN ADI.............1.
INVERSION BEGIN.....1900
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........0 4 2 15 13 13
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............70 62 54 51 49 47
RH..............53 72 86 89 89 93
20 FT WIND......NE 2 N 0 N 0 NE 1 NE 1 N 1
20 FT WIND GUST.9 7 7 7 7 7
MIX HGT (FT)....1000 400 400 400 400 400
TRANSPORT WIND..NE 4 NE 4 N 0 NE 2 NE 2 NE 2
LVORI...........2 4 6 7 7 8
ADI.............1 1 1 1 1 1
TUESDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 3800 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHEAST 10 TO 12 MPH IN
THE LATE MORNING AND AFTERNOON.
MAX ADI.............48.
INVERSION END.......1000
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........23 11 11 23
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............45 50 68 74
RH..............93 83 43 32
20 FT WIND......N 2G9 NE 2G9 NE 4G11 NE 3G11
MIX HGT (FT)....400 600 2400 3700
TRANSPORT WIND..N 2 NE 10 NE 12 NE 10
LVORI...........7 5 1 1
ADI.............2 4 38 46
FORECASTER...BLACK
REQUESTED BY...WILL MCCANN
TYPE OF REQUEST...PRESCRIBED
.TAG 2624524.0/CHS
.DELDT 10/26/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.MCCANN@USDA.GOV
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