673
FNUS72 KCHS 182123
FWSCHS
SPOT FORECAST FOR EFFINGHAM FIRE...EFFINGHAM COUNTY FIRE RESCUE EMA
NATIONAL WEATHER SERVICE CHARLESTON SC
523 PM EDT SAT APR 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CONDITIONS WILL REMAIN DRY WITH RELATIVE HUMIDITIES IN THE LOWER
30S, AND WIND REMAINING ON THE LIGHTER SIDE AHEAD OF AN
APPROACHING SEA BREEZE. THE SEA BREEZE WILL CAUSE SOME VARIABILITY
IN WIND DIRECTION AS IT PUSHES THROUGH, WITH WIND PRIMARILY OUT OF
THE SOUTH AFTER IT PASSES THROUGH BECOMING MARGINALLY BREEZY.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY THEN BECOMING MOSTLY
CLOUDY.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH BECOMING LIGHT.
MAX LVORI...........3.
MIN ADI.............1.
INVERSION BEGIN.....8 PM
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 38 54 62 52 46 42 36 44 49 52 51
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............90 88 82 78 75 73 71 70 69 68 66 66
RH..............31 33 43 48 54 57 59 63 66 63 68 68
20 FT WIND DIR..SW S S S S S S SW SW SW SW SW
20 FT WIND SPD..7 5 5 4 4 4 4 4 3 3 3 3
20 FT WIND GUST.13 11 9 9 11 9 9 9 9 9 9 9
MIX HGT (KFT)...5.7 1.2 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SW SW SW S S S SW SW SW SW SW SW
TRANSP WIND SPD.8 8 8 4 4 4 4 4 4 4 4 4
LVORI...........2 2 2 2 2 3 3 3 3 3 3 3
ADI.............1 4 3 3 3 3 3 2 2 2 2 2
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS LATE IN
THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH EARLY IN
THE MORNING, THEN SHIFTING TO THE NORTHWEST 9
TO 10 MPH WITH GUSTS TO AROUND 20 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......MAX 4000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHWEST 16 TO 18 MPH IN
THE LATE MORNING AND AFTERNOON.
MAX ADI.............86.
INVERSION END.......9 AM
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 54 64 66 74 86 85 87 86 88 86 73
WEATHER TYPE.... RW RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10 20 20 10
TEMP............66 64 66 69 74 76 76 76 75 74 74 73
RH..............68 73 73 70 64 60 56 52 50 48 43 41
20 FT WIND DIR..SW W W W NW NW NW N N N N N
20 FT WIND SPD..4 4 5 5 7 9 9 9 10 10 10 10
20 FT WIND GUST.9 11 11 13 13 16 18 18 18 20 18 18
MIX HGT (KFT)...0.5 0.5 0.6 1.7 2.6 3.2 3.7 3.8 4.0 3.6 3.6 3.8
TRANSP WIND DIR.W W W NW NW NW NW NW NW N N N
TRANSP WIND SPD.4 4 4 16 16 16 18 18 18 18 18 18
LVORI...........3 3 3 3 1 1 1 1 1 1 1 1
ADI.............5 5 6 27 52 72 86 67 69 65 66 67
FORECASTER...APT
REQUESTED BY...KREY LOWTHER JR
TYPE OF REQUEST...WILDFIRE
.TAG 2610689.0/CHS
.DELDT 04/18/26
.FORMATTERVERSION 2.0.0
.EMAIL LOWTHER6641@GMAIL.COM
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