750
FNUS72 KFFC 120829
FWSFFC
SPOT FORECAST FOR GREYSTONE CONCERT...DOUGLAS COUNTY EMERGENCY MANAGEMENT AGENCY
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
429 AM EDT SAT SEP 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 0500 EDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GOOD MORNING, ANNE-MARIE. HUMID CONDITIONS ARE EXPECTED AT THE VENUE
THROUGH MOST OF THE MORNING, WITH HUMIDITY VALUES BETWEEN 95-100
PERCENT. WITH DEEP MOISTURE GULF MOISTURE IN PLACE ACROSS THE AREA
AND A FRONTAL BOUNDARY MOVING SOUTHWARD TOWARDS THE STATE LINE,
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH
MOST OF THE DAYTIME. CHANCES OF THUNDERSTORMS ARE FORECAST TO BEGIN
DIMINISHING AFTER 7 PM, DOWN TO 20% BY SUNSET AND THROUGH THE
OVERNIGHT HOURS. ORGANIZED SEVERE WEATHER IS NOT EXPECTED, THOUGH A
FEW STORMS COULD BECOME STRONG AND CAPABLE OF PRODUCING FREQUENT
LIGHTNING AND GUSTY WINDS (30-40 MPH), MOST LIKELY DURING THE
AFTERNOON. STRONGER STORMS WILL ALSO BE CAPABLE OF PRODUCING HEAVY
RAIN, WHICH COULD LEAD TO ISOLATED FLASH FLOODING CONCERNS IN LIGHT
OF SATURATED SOILS FROM FRIDAY'S RAIN. COVERAGE OF PRECIPITATION AND
INCREASED CLOUD COVER WILL HELP LIMIT DAYTIME WARMING, WITH
TEMPERATURES LARGELY IN THE MID 80S IN THE MID TO LATE AFTERNOON.
HEAT INDEX VALUES ARE FORECAST TO RISE INTO THE LOW 90S IN THE MID
AFTERNOON, AS WELL. TEMPERATURES WILL DROP BELOW 80 BETWEEN 7 PM AND
8 PM THIS EVENING. WINDS WILL BE S THIS MORNING AT 3-5 MPH, BECOMING
SW AT 5-7 MPH DURING THE AFTERNOON. THESE SW WINDS WILL DIMINISH TO
3 MPH OR LESS AFTER SUNSET. PLEASE FEEL FREE TO CONTACT US IF YOU
HAVE ANY FURTHER QUESTIONS OR CONCERNS.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........100 PERCENT.
HEAT INDEX..........N/A.
WIND CHILL..........N/A.
SURFACE WINDS (MPH).LIGHT WINDS.
RAINFALL AMOUNT.....0.02 INCHES.
CEILING (KFT).......0.6.
TIME (EDT) 5AM
SKY (%).........77
WEATHER COV.....CHC
WEATHER TYPE....RW
TSTM COV........CHC
CHC OF PCPN (%).30
TEMP............70
RH..............100
HEAT INDEX (F)..70
WIND CHILL (F)..N/A
SURFACE WND DIR.S
SURFACE WND SPD.3
SURFACE WND GST.9
CEILING (KFT)...0.6
TODAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........75 PERCENT.
HEAT INDEX..........N/A.
WIND CHILL..........N/A.
SURFACE WINDS (MPH).SOUTH WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHWEST 5 TO 6 MPH IN THE LATE MORNING AND
AFTERNOON.
RAINFALL AMOUNT.....0.13 INCHES.
CEILING (KFT).......0.6 INCREASING TO 2.0 EARLY IN THE AFTERNOON,
THEN INCREASING TO 2.5 LATE IN THE AFTERNOON
DECREASING TO 2.0 LATE IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 77 81 80 74 71 59 55 55 55 55 56
WEATHER COV.....CHC CHC LKY LKY CHC SCH SCH CHC CHC CHC CHC LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC SCH SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).50 50 70 60 30 20 20 30 50 50 50 60
TEMP............70 70 70 71 74 75 77 80 82 82 84 82
RH..............100 100 100 100 100 100 95 87 82 79 75 79
HEAT INDEX (F)..70 70 70 71 74 75 77 86 88 89 92 88
WIND CHILL (F)..N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
SURFACE WND DIR.S S S S S SW SW SW SW SW W SW
SURFACE WND SPD.3 3 3 5 6 6 6 6 6 6 6 5
SURFACE WND GST.9 9 9 10 10 10 12 12 12 12 12 12
CEILING (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 2.0 2.0 2.5 2.0
FORECASTER...LMARLOW
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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