504
FNUS74 KMEG 181000
FWSMEG
SPOT FORECAST FOR HSIU37-1...USFS
NATIONAL WEATHER SERVICE MEMPHIS TN
400 AM CST SUN JAN 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON JANUARY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CONDITIONS WILL BE COLD AND BREEZY TODAY BEHIND AN EXITING COLD
FRONT. THERE IS HIGH CONFIDENCE THAT TRANSPORT WINDS WILL SHIFT
FROM THE NW THIS MORNING TO THE SW AND ACCELERATE THIS AFTERNOON.
WE EXPECT RELATIVE HUMIDITY VALUES TO FALL BELOW 25% THIS
AFTERNOON, EVEN WITH TEMPERATURES ONLY IN THE 30S.
FOG POTENTIAL IS VERY LOW (LESS THAN 5% CHANCE) EARLY MONDAY
MORNING, AS POLAR AIR REMAINS OVER THE REGION.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........24 PERCENT.
DEWPOINT............5.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE
IN THE MORNING.
MIXING HEIGHT.......3200 FT AGL.
MIXING HEIGHT (M)...213-975 METERS AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 12 MPH SHIFTING TO THE SOUTHWEST
10 TO 15 MPH IN THE AFTERNOON.
TRANSPORT WINDS M/S.WEST 4 TO 7 METERS/SECOND.
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 2 1 2 5 6 3 3 5 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............20 23 26 30 33 35 36 37 36 35
DEWPOINT........7 6 6 4 3 3 3 4 5 7
RH..............56 47 42 32 27 25 24 24 27 30
20 FT WIND DIR..NW NW W W W W SW SW SW SW
20 FT WIND SPD..2 2 3 5 5 5 6 6 5 5
20 FT WIND GUST.6 6 8 10 10 11 11 11 11 11
MIX HGT (KFT)...1.5 2.2 2.7 3.1 3.2 3.0 2.8 2.7 2.5 0.7
MIX HGT (KM)....0.5 0.7 0.8 0.9 1.0 0.9 0.9 0.8 0.8 0.2
TRANSP WIND DIR.NW NW W W W W W SW SW SW
TRANSP WIND SPD.8 8 9 12 12 10 13 12 15 13
TRANS WIND DIR..NW NW W W W W W SW SW SW
TRANS SPD (M/S).4 4 4 5 5 4 6 5 7 6
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 23.
MAX HUMIDITY........62 PERCENT.
DEWPOINT............10 INCREASING TO 12 AFTER 3 AM.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-152 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 14 MPH SHIFTING TO THE
NORTHWEST 10 TO 14 MPH OVERNIGHT.
TRANSPORT WINDS M/S.WEST 4 TO 6 METERS/SECOND.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 4 3 5 5 4 4 3 5 5 7 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............32 30 29 28 27 28 28 27 26 26 25 24
DEWPOINT........8 9 10 10 11 10 11 11 11 12 13 12
RH..............36 41 44 46 50 46 48 50 52 55 60 60
20 FT WIND DIR..SW SW SW SW SW W W W W W NW NW
20 FT WIND SPD..3 3 3 3 3 3 3 3 2 2 2 2
20 FT WIND GUST.10 10 10 10 11 10 10 10 10 10 10 8
MIX HGT (KFT)...0.5 0.4 0.5 0.4 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.5
MIX HGT (KM)....0.2 0.1 0.2 0.1 0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.2
TRANSP WIND DIR.SW SW SW W W W W W W NW NW NW
TRANSP WIND SPD.13 12 13 14 14 14 14 13 12 10 10 10
TRANS WIND DIR..SW SW SW W W W W W W NW NW NW
TRANS SPD (M/S).6 5 6 6 6 6 6 6 5 4 4 4
MARTIN LUTHER KING JR DAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (55-65 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........28 PERCENT.
DEWPOINT............11 DECREASING TO 9 LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 7 MPH EARLY IN
THE MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3400 FT AGL.
MIXING HEIGHT (M)...183-1036 METERS AGL.
TRANSPORT WINDS.....NORTH 12 TO 18 MPH.
TRANSPORT WINDS M/S.NORTH 5 TO 8 METERS/SECOND.
TIME (CST) 6 AM 9 AM NOON 3 PM
SKY (%).........6 15 32 52
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
TEMP............24 29 36 38
DEWPOINT........12 12 9 8
RH..............60 48 32 28
20 FT WIND......NW 2G8 N 5G11 N 7G13 N 6G12
MIX HGT (FT)....600 2200 3100 3200
MIX HGT (M).....180 670 940 980
TRANSPORT WIND..NW 13 N 18 N 15 N 14
TRAN WIND (M/S).NW 6 N 8 N 7 N 6
FORECASTER...CHIUPPI
REQUESTED BY...JOHN TOWNSEND
TYPE OF REQUEST...PRESCRIBED
.TAG 2600423.0/MEG
.DELDT 01/18/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.TOWNSEND@USDA.GOV
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