947
FNUS72 KFFC 111824
FWSFFC
SPOT FORECAST FOR GREYSTONE CONCERT...DOUGLAS COUNTY EMERGENCY MANAGEMENT AGENCY
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
224 PM EDT FRI SEP 11 2026
FORECAST IS BASED ON FORECAST START TIME OF 0000 EDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A FRONTAL BOUNDARY WILL BE MOVING INTO NORTH GA SAT MORNING AND
CONTINUE MOVING SLOWLY SOUTH THROUGH THE DAY. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS ARE EXPECTED FRI NIGHT INTO SATURDAY
MORNING AHEAD OF THIS FRONT. COVERAGE OF SHOWERS AND THUNDERSTORMS
WILL STEADILY INCREASE THROUGH THE DAY SAT, BECOMING WIDESPREAD
BETWEEN NOON AND 8 PM. WHILE ORGANIZED SEVERE WEATHER APPEARS TO
BE UNLIKELY, A FEW THUNDERSTORMS COULD BECOME STRONG AND CAPABLE
OF PRODUCING FREQUENT LIGHTNING, LOCALLY HEAVY RAIN, AND GUSTY
WINDS (30-40 MPH) AT THE EVENT SITE. THUNDERSTORM CHANCES WILL
BEGIN TO STEADILY DIMINISH AFTER SUNSET, THOUGH CHANCES WILL
REMAIN BETWEEN 20-30% OVERNIGHT AND INTO EARLY SUNDAY MORNING.
OUTSIDE OF STORMS, WINDS WILL BE OUT OF THE S TO SW IN THE 2-8
MPH RANGE. INCREASED CLOUD COVER ASSOCIATED WITH THE PRECIPITATION
WILL SOMEWHAT LIMIT HEATING, WITH TEMPERATURES IN THE MID TO
UPPER 80S DURING THE AFTERNOON. HIGH HUMIDITY WILL HELP HEAT INDEX
VALUES REACH AS HIGH AS 97 DEGREES BETWEEN 2-4 PM.
WE WILL RERUN THIS FORECAST SAT MORNING BUT PLEASE FEEL
FREE TO CONTACT US IF YOU HAVE ANY FURTHER QUESTIONS OR CONCERNS.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........100 PERCENT.
HEAT INDEX..........N/A.
SURFACE WINDS (MPH).LIGHT WINDS.
RAINFALL AMOUNT.....0.04 INCHES.
TIME (EDT) MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........61 56 54 68 69 78
WEATHER COV.....SCH CHC CHC CHC LKY LKY
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH CHC
CHC OF PCPN (%).20 30 30 40 60 70
TEMP............73 72 72 72 71 71
RH..............100 99 100 100 99 100
HEAT INDEX (F)..73 72 72 72 71 71
SURFACE WND DIR.S S S S S S
SURFACE WND SPD.2 2 3 3 3 3
SURFACE WND GST.8 8 8 9 9 9
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........75 PERCENT.
HEAT INDEX..........97.
SURFACE WINDS (MPH).SOUTH WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHWEST 5 TO 7 MPH IN THE LATE MORNING AND
AFTERNOON.
RAINFALL AMOUNT.....0.23 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........81 82 80 82 82 81 71 61 58 55 52 49
WEATHER COV.....LKY LKY LKY LKY LKY CHC CHC CHC LKY CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).70 70 70 70 60 50 50 50 60 50 40 40
TEMP............70 70 70 71 74 76 78 81 82 82 84 82
RH..............100 100 100 100 99 97 93 86 82 79 75 80
HEAT INDEX (F)..70 70 70 71 74 76 78 87 89 89 92 88
SURFACE WND DIR.S S S S S S S S S SW SW SW
SURFACE WND SPD.3 3 3 5 5 6 7 7 7 7 7 6
SURFACE WND GST.9 9 9 10 10 12 12 13 14 14 14 13
SATURDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........100 PERCENT.
HEAT INDEX..........N/A.
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 5 MPH DECREASING TO
WEST.
RAINFALL AMOUNT.....0.10 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........48 47 36 32 42 40 39 48 50 61 60 51
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........CHC SCH SCH SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).40 20 20 20 20 10 20 10 20 20 20 10
TEMP............81 80 76 76 75 73 73 72 72 71 71 70
RH..............82 84 96 96 97 99 100 100 100 100 100 100
HEAT INDEX (F)..87 85 76 76 75 73 73 72 72 71 71 70
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW SW SW W
SURFACE WND SPD.5 5 2 2 2 1 1 1 1 1 1 1
SURFACE WND GST.10 9 7 6 6 5 5 5 5 5 5 5
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........63 PERCENT.
HEAT INDEX..........N/A.
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 5 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 51 45 36 39 42 38 35 31 28 25 23
WEATHER COV..... SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).10 10 10 10 10 10 10 10 20 20 20 20
TEMP............70 69 70 72 75 79 81 84 85 87 88 87
RH..............100 100 100 98 94 88 81 74 69 65 63 63
HEAT INDEX (F)..70 69 70 72 75 79 87 91 93 95 95 95
SURFACE WND DIR.W W W W NW NW NW NW NW NW NW NW
SURFACE WND SPD.1 1 1 2 3 5 5 5 5 5 5 3
SURFACE WND GST.5 5 5 6 7 8 9 9 9 9 9 9
FORECASTER...SMITH
REQUESTED BY...ANNE-MARIE POLLACIA
TYPE OF REQUEST...OTHER
.TAG 2621659.0/FFC
.DELDT 09/11/26
.FORMATTERVERSION 2.0.0
.EMAIL APOLLACIA@DOUGLASCOUNTYGA.GOV
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