646
FNUS72 KFFC 211142
FWSFFC
SPOT FORECAST FOR PINNACLE RX...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
642 AM EST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MORNING UPDATE: DRY AIR WILL PERSIST IN NORTHWEST GEORGIA THROUGH
MOST OF THE DAY, THOUGH CLOUD COVER AND RAIN CHANCES WILL BEGIN TO
INCREASE IN THE LATE AFTERNOON INTO TONIGHT. RH VALUES AT THE BURN
SITE ARE FORECAST TO BE BELOW 35 PERCENT BY NOON, DROPPING TO A
MINIMUM OF 29 PERCENT AROUND 3 PM THIS AFTERNOON. 20 FT WINDS WILL
BE S/SW (160-180 DEGREES) THROUGHOUT THE DAY AT 7-10 MPH, WITH GUSTS
BETWEEN 15-20 MPH DURING THE EARLY AND MIDDLE AFTERNOON. GUSTS ABOVE
20 MPH APPEAR TO BE UNLIKELY AT THE SITE. TRANSPORT WINDS WILL BE S
AT 17-20 MPH THIS AFTERNOON. MIXING HEIGHTS WILL BE AS HIGH AS 2700
FT IN THE MID-AFTERNOON.
WINDS WILL DIMINISH STEADILY AFTER SUNSET, BECOMING LIGHT AND
VARIABLE AFTER MIDNIGHT. SCATTERED SHOWERS ARE ALSO FORECAST TO
ARRIVE IN NORTHWEST GEORGIA BY 7 PM TONIGHT. RAIN WILL BE MOST
LIKELY BETWEEN 7 PM AND 7 AM ON THURSDAY. RAINFALL TOTALS THROUGH
THURSDAY IS FORECAST TO BE ABOUT 0.20 INCH. LIGHT WINDS AND
INCREASING DEWPOINTS COULD FURTHERMORE LEAD TO PATCHY FOG IN THE
VICINITY OF THE BURN SITE IN THE PRE-DAWN HOURS ON THURSDAY. PLEASE
FEEL FREE TO CONTACT US IF YOU HAVE ANY FURTHER QUESTIONS OR
CONCERNS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........29 PERCENT.
DEWPOINT............17 INCREASING TO 22 LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH. GUSTS UP TO 21 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 21 MPH.
LVORI...............2.
ADI.................17 EARLY IN THE MORNING INCREASING TO 64 IN THE
AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
TIME (EST) 10 AM NOON 2 PM 4 PM
SKY (%).........35 22 36 71
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 10
CHC OF THDR (%).0 0 0 0
TEMP............37 45 51 53
DEWPOINT........15 18 21 23
RH..............41 33 30 30
20 FT WIND......S 7 S 9 S 9 S 8
20 FT WIND GUST.16 20 20 20
MIX HGT (FT)....1000 1700 2300 2600
TRANSPORT WIND..S 15 S 17 S 20 S 18
LVORI...........2 1 1 1
ADI.............17 38 54 41
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY.
CWR.................20 PERCENT INCREASING TO 50 PERCENT IN THE
EVENING, THEN INCREASING TO 60 PERCENT LATE IN
THE EVENING DECREASING TO 50 PERCENT OVERNIGHT
DECREASING TO 40 PERCENT INCREASING TO 50
PERCENT OVERNIGHT INCREASING TO 60 PERCENT
DECREASING TO 40 PERCENT AFTER 3 AM DECREASING
TO 30 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........93 PERCENT.
DEWPOINT............27 INCREASING TO 37.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 12 MPH SHIFTING TO THE NORTH AROUND
5 MPH AFTER 3 AM.
LVORI...............5.
ADI.................2 TO 8.
PCPN AMOUNT.........0.07 INCHES.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........80 93 94 95 91 96
WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............20 50 50 50 50 40
CHC OF THDR (%).0 0 0 0 0 0
TEMP............50 45 44 43 41 41
DEWPOINT........25 29 32 34 36 38
RH..............36 52 61 70 84 89
20 FT WIND......S 6 S 5 S 5 S 3 S 2 W 1
20 FT WIND GUST.16 14 12 9 7 7
MIX HGT (FT)....500 400 400 400 300 300
TRANSPORT WIND..S 10 S 10 S 9 SW 8 S 8 N 5
LVORI...........2 2 3 3 5 7
ADI.............7 7 6 4 3 2
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 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 52.
MIN HUMIDITY........66 PERCENT.
DEWPOINT............39.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH AROUND 5 MPH LATE IN
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 7 MPH.
LVORI...............5.
ADI.................2 TO 16.
PCPN AMOUNT.........0.10 INCHES.
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........94 83 72 66 61 53
WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............20 30 30 30 40 40
CHC OF THDR (%).0 0 0 0 0 0
TEMP............40 40 43 47 50 51
DEWPOINT........39 38 40 41 41 40
RH..............93 93 89 80 71 66
20 FT WIND......N 1 N 1 N 2 N 3 N 3 N 5
20 FT WIND GUST.7 7 9 10 10 10
MIX HGT (FT)....400 400 900 1400 1900 1900
TRANSPORT WIND..N 3 N 3 N 6 N 7 N 7 N 6
LVORI...........6 7 5 4 3 3
ADI.............3 2 6 12 16 15
FORECASTER...KING
REQUESTED BY...JEFFREY SCHARDT
TYPE OF REQUEST...PRESCRIBED
.TAG 2600660.0/FFC
.DELDT 01/20/26
.FORMATTERVERSION 2.0.0
.EMAIL JEFFREY.SCHARDT@USDA.GOV,JAKE.HAUSER@USDA.GOV
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