820
FNUS72 KCHS 171001
FWSCHS
SPOT FORECAST FOR ER-09...USAF
NATIONAL WEATHER SERVICE CHARLESTON SC
501 AM EST SAT JAN 17 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON JANUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A RETURN FLOW WILL BRING WARMING TEMPERATURES AND HIGHER DEWPOINTS
ACROSS THE REGION TODAY. A STRONG COLD FRONT IS TIMED TO SWEEP FROM
WEST TO EAST ACROSS THE AREA THIS EVENING, VEERING WINDS FROM
THE NORTHWEST TONIGHT. LIGHT RAINS WILL ACCOMPANY THE FRONT TONIGHT
AND SUNDAY. HIGH PRESSURE SHOULD BEGIN TO BUILD ACROSS THE REGION
SUNDAY NIGHT AND REMAIN ACROSS THE AREA THROUGH MID-WEEK.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......MAX 2500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 14 MPH.
MAX ADI.............39.
INVERSION END.......1000.
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........45 22 41 38 55 59 58 62 66 64
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............41 47 55 59 61 63 63 63 64 61
RH..............85 79 61 55 51 48 48 50 48 53
20 FT WIND DIR..S S S SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 6 7 8 8 7 7 5 4
20 FT WIND GUST.11 13 13 14 14 16 14 13 13 9
MIX HGT (KFT)...0.4 0.7 1.1 1.6 2.0 2.4 2.5 2.4 1.7 0.6
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.6 12 12 12 14 14 14 10 10 10
LVORI...........5 4 2 1 2 1 1 1 2 2
ADI.............4 4 18 31 28 32 33 39 27 4
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 3 AM. CHANCE OF RAIN SHOWERS AFTER 3 AM.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
AFTER 3 AM.
MAX LVORI...........6.
MIN ADI.............1.
INVERSION BEGIN.....1700.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........72 64 61 67 73 89 85 96 96 97 94 96
WEATHER TYPE.... RW RW RW
TSTM COV........
CHC OF PCPN (%).0 10 10 10 10 10 10 10 10 20 30 40
TEMP............59 56 53 52 51 50 50 49 48 48 47 44
RH..............57 64 71 74 77 80 77 80 83 80 83 89
20 FT WIND DIR..SW SW SW W W NW NW NW NW NW NW NW
20 FT WIND SPD..3 2 2 2 2 2 2 3 3 4 5 5
20 FT WIND GUST.5 5 4 4 4 5 5 7 7 9 11 11
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.6 0.6 0.6 0.6
TRANSP WIND DIR.SW SW SW W W W NW NW NW NW NW NW
TRANSP WIND SPD.2 2 2 2 2 2 4 4 4 6 6 6
LVORI...........3 3 4 4 4 6 4 5 5 5 5 6
ADI.............2 1 1 1 1 1 1 2 2 3 4 5
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY EARLY IN THE
MORNING, THEN RAIN SHOWERS IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......MAX 2000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 16 MPH SHIFTING TO THE WEST
AROUND 18 MPH LATE IN THE AFTERNOON.
MAX ADI.............35.
INVERSION END.......0800.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........98 97 97 96 96 96 96 87 78 70 69 69
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).70 90 90 90 90 90 90 50 50 50 50 50
TEMP............44 42 42 43 44 44 43 43 43 43 42 41
RH..............89 96 100 96 93 93 96 93 89 82 79 79
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW W W W
20 FT WIND SPD..5 5 5 6 7 7 8 8 8 7 7 6
20 FT WIND GUST.11 11 11 13 13 13 14 14 16 16 16 13
MIX HGT (KFT)...0.6 0.6 1.5 1.6 1.7 1.5 1.5 1.5 1.7 1.8 2.0 1.7
TRANSP WIND DIR.NW NW NW NW NW NW W W W W W W
TRANSP WIND SPD.8 8 8 16 16 16 16 16 16 18 18 18
LVORI...........6 7 5 4 4 4 4 5 4 3 3 3
ADI.............6 6 21 26 28 27 27 25 30 34 35 34
FORECASTER...BERRY
REQUESTED BY...EMORY MAXWELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2600195.1/CHS
.DELDT 01/17/26
.FORMATTERVERSION 2.0.0
.EMAIL EMORY_MAXWELL@FWS.GOV
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