672
FNUS72 KCHS 200419
FWSCHS
SPOT FORECAST FOR HAZMAT FIRE...CHARLESTON COUNTY EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1219 AM EDT SUN SEP 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 0100 EDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS WILL PREVAIL TONIGHT WITH LIGHT NORTHEASTERLY
WINDS SLOWLY TURNING NORTHERLY AROUND 3 TO 5 MPH. WINDS SHOULD
REMAIN NORTHEASTERLY THROUGH MOST OF THE MORNING AROUND 10 MPH
BEFORE TURNING EASTERLY DURING THE LATE AFTERNOON AND EVENING.
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AROUND 2PM TO
6 PM SUNDAY AFTERNOON. STORMS SHOULD SUBSIDE OVERNIGHT.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY
CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS.
PCPN AMOUNT.........0.03 INCHES.
TIME (EDT) 1AM 2AM 3AM 4AM 5AM
SKY (%).........54 59 46 52 48
WEATHER TYPE....RW RW RW RW RW
TSTM COV........CHC SCH CHC CHC SCH
CHC OF PCPN (%).30 20 30 30 30
TEMP............76 76 75 75 75
RH..............100 100 100 100 100
SURFACE WND DIR.NE NE NE N N
SURFACE WND SPD.2 2 2 3 3
SURFACE WND GST.6 6 8 8 8
TODAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND
THUNDERSTORMS.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........80 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING NORTHEAST AROUND 6 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT EARLY
IN THE AFTERNOON BECOMING EAST 6 TO 7 MPH IN
THE AFTERNOON.
PCPN AMOUNT.........0.10 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 48 58 62 54 61 63 63 55 54 59 65
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC SCH SCH
CHC OF PCPN (%).30 30 30 30 30 40 40 40 30 30 20 20
TEMP............74 74 75 76 79 81 83 83 84 84 84 83
RH..............100 100 100 100 94 88 85 85 82 82 80 82
SURFACE WND DIR.NE NE NE NE NE NE NE E E E E E
SURFACE WND SPD.3 3 3 3 4 6 4 6 6 6 6 7
SURFACE WND GST.10 10 10 10 10 10 10 10 12 12 12 12
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).EAST WINDS AROUND 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
PCPN AMOUNT.........0.01 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........56 42 31 42 33 39 34 29 34 38 43 47
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 10 0 0 0 0 0 0 0 0
TEMP............82 81 79 79 78 78 77 76 76 75 75 75
RH..............85 88 91 91 94 94 97 100 97 100 100 100
SURFACE WND DIR.E E E E E E E SE SE E NE NW
SURFACE WND SPD.6 4 3 2 2 1 1 1 1 1 1 1
SURFACE WND GST.12 10 10 8 6 6 4 4 4 4 4 6
MONDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........75 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTHEAST 6 TO 8 MPH IN
THE AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 45 57 72 58 44 46 48 50 49 49 48
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).0 0 10 10 10 10 10 10 20 20 20 20
TEMP............74 74 75 76 80 83 85 86 86 86 85 84
RH..............100 100 100 100 91 82 77 75 75 75 77 80
SURFACE WND DIR.N N N NE NE E E E E SE SE SE
SURFACE WND SPD.1 2 2 2 2 3 4 6 7 8 8 8
SURFACE WND GST.4 6 6 6 6 8 10 10 12 12 12 12
FORECASTER...BLACK
REQUESTED BY...BEN WEBSTER
TYPE OF REQUEST...HAZMAT
.TAG 2622175.0/CHS
.DELDT 09/20/26
.FORMATTERVERSION 2.0.0
.EMAIL BDWEBSTER@CHARLESTONCOUNTY.ORG
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