159
FNUS72 KFFC 210912
FWSFFC
SPOT FORECAST FOR WMB POWERLINE AREA...GEORGIA STATE PARKS AND HISTORIC SITES
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
412 AM EST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GOOD MORNING. DRIER AIR WILL PERSIST ACROSS THE AREA TODAY BEFORE A
SLIGHT CHANCE OF RAIN APPROACHES NORTHEAST GEORGIA THIS EVENING INTO
TONIGHT. RELATIVE HUMIDITY VALUES AT IGNITION TIME ARE EXPECTED TO
BE JUST ABOVE 35 PERCENT, DROPPING BELOW 30 PERCENT JUST AFTER NOON
AND DOWN TO A MINIMUM OF 27 PERCENT IN THE EARLY AFTERNOON. 20 FT
WINDS WILL BE SE AT 3-5 MPH THIS MORNING, SHIFTING TO S AT 5-6 MPH
DURING THE AFTERNOON AND DIMINISHING AROUND SUNSET. TRANSPORT WINDS
WILL BE S THROUGHOUT THE DAY, MAINLY BETWEEN 8-10 MPH. MIXING
HEIGHTS WILL PEAK BETWEEN 2500-3000 FT IN THE EARLY TO MIDDLE
AFTERNOON HOURS TODAY. PARTLY CLOUDY SKIES WILL BECOME MOSTLY CLOUDY
AFTER SUNSET AND THROUGH THE OVERNIGHT HOURS WHILE WINDS BECOME
LIGHT AND VARIABLE. WHILE WINDS WILL BE LIGHT AND DEWPOINTS WILL BE
ON THE RISE OVERNIGHT, RH VALUES IN THE EARLY MORNING HOURS ON
THURSDAY SHOULD STAY TOO LOW FOR SMOKE FOG CONCERNS. SHOWERS WILL
INCREASE IN COVERAGE ON THURSDAY, WITH 30-40% CHANCES OF RAIN
THROUGHOUT THE DAY. RAINFALL TOTALS THROUGH THURSDAY NIGHT SHOULD BE
LESS THAN 0.25 INCH. PLEASE FEEL FREE TO CONTACT US IF YOU HAVE ANY
FURTHER QUESTIONS OR CONCERNS.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........27 PERCENT.
DEWPOINT............17 INCREASING TO 22 LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.
LVORI...............2.
ADI.................11 TO 38.
PCPN AMOUNT.........0.00 INCHES.
CEILING (KFT).......25.
TIME (EST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 53 60 56 61 52 58
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0
TEMP............41 46 50 52 53 53 52
DEWPOINT........16 17 18 19 21 22 23
RH..............36 31 27 28 28 30 32
20 FT WIND DIR..SE S S S S S S
20 FT WIND SPD..3 5 5 5 5 5 2
20 FT WIND GUST.8 9 10 10 10 9 8
MIX HGT (KFT)...1.6 2.1 2.6 2.9 3.0 2.6 1.0
TRANSP WIND DIR.S S S S S S S
TRANSP WIND SPD.6 8 7 9 10 9 8
LVORI...........2 2 2 1 1 1 2
ADI.............12 21 24 33 38 32 11
CEILING (KFT)...25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS OVERNIGHT.
CWR.................10 PERCENT INCREASING TO 20 PERCENT OVERNIGHT,
THEN DECREASING TO 10 PERCENT OVERNIGHT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........88 PERCENT.
DEWPOINT............25 INCREASING TO 29 AFTER 3 AM.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH BECOMING AROUND 8 MPH
OVERNIGHT.
LVORI...............3.
ADI.................3 TO 4.
PCPN AMOUNT.........0.00 INCHES.
CEILING (KFT).......25 DECREASING TO 5.0.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........72 70 71 80 78 80 85 87 88 87 85 88
WEATHER COV..... SCH
WEATHER TYPE.... RW
TSTM COV........
CWR.............0 0 0 10 10 10 20 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............48 46 43 41 40 40 39 39 38 39 38 37
DEWPOINT........23 25 25 25 26 26 26 26 27 27 29 30
RH..............37 44 50 54 55 57 59 58 63 63 68 76
20 FT WIND DIR..S S S SW SW SW SW SW W W W W
20 FT WIND SPD..1 1 1 1 1 1 1 1 1 1 2 2
20 FT WIND GUST.7 5 5 5 6 6 6 7 7 7 7 7
MIX HGT (KFT)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S SW SW SW SW SW W SW SW W
TRANSP WIND SPD.7 7 8 7 8 8 7 8 8 8 8 8
LVORI...........2 2 2 2 3 3 3 3 3 3 3 4
ADI.............3 3 4 3 3 4 3 3 3 4 4 4
CEILING (KFT)...25 12 10 7.0 7.0 6.0 5.0 5.0 5.0 5.0 5.0 5.0
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS.
CWR.................20 PERCENT INCREASING TO 40 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........63 PERCENT.
DEWPOINT............34 INCREASING TO 45.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH EARLY IN
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 7 MPH.
LVORI...............5.
ADI.................4 TO 7.
PCPN AMOUNT.........0.07 INCHES.
CEILING (KFT).......5.0 DECREASING TO 3.5 LATE IN THE MORNING, THEN
DECREASING TO 2.5 LATE IN THE MORNING
DECREASING TO 1.2 EARLY IN THE AFTERNOON
DECREASING TO 0.5 INCREASING TO 0.6 EARLY IN
THE AFTERNOON INCREASING TO 1.2 INCREASING TO
1.8 LATE IN THE AFTERNOON.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........81 77 79 80 80 81 82 83 82 81 80 80
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............20 30 30 30 30 30 30 40 40 40 40 40
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 39 39 41 45 47 49 50 51 52 53 52
DEWPOINT........32 34 36 38 40 42 44 45 46 46 46 46
RH..............76 81 88 88 84 84 84 84 82 79 78 81
20 FT WIND DIR..W W W W W W W W W SW SW SW
20 FT WIND SPD..2 2 2 2 3 3 3 5 3 3 3 2
20 FT WIND GUST.7 7 7 8 8 8 9 9 9 8 8 7
MIX HGT (KFT)...0.4 0.4 0.4 0.6 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.7
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.7 7 6 6 6 6 6 7 7 7 6 6
LVORI...........4 4 6 6 5 5 4 4 4 4 4 4
ADI.............6 5 4 4 4 4 7 7 7 7 7 6
CEILING (KFT)...5.0 5.0 5.0 4.0 3.5 2.5 1.2 0.5 0.6 1.2 1.8 1.8
FORECASTER...KING
REQUESTED BY...PHIL DELESTREZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2600697.0/FFC
.DELDT 01/21/26
.FORMATTERVERSION 2.0.0
.EMAIL PHIL.DELESTREZ@DNR.GA.GOV
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