486
FNUS74 KMRX 240927
FWSMRX
SPOT FORECAST FOR GRANDFATHER KNOB...USFS
NATIONAL WEATHER SERVICE MORRISTOWN TN
527 AM EDT TUE MAR 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MARCH 24.
IF CONDITIONS BECOME UNREPRESENTATIVE,CONTACT THE NATIONAL WEATHER
SERVICE...AT 1-800-697-0075. IF POSSIBLE, PLEASE PROVIDE FEEDBACK
FOR EVERY SPOT FORECAST REQUEST.
DISCUSSION
..VERY LOW RH TODAY, HOWEVER, WINDS WILL BE LIGHT
DRY WEATHER IS FORECAST THROUGH WEDNESDAY. WINDS EXPECTED TO BE
LIGHT. N-NE FLOW DURING THE DAY TODAY WILL TURN OUT OF THE SE FOR
TONIGHT AND PART OF WEDNESDAY. LOW MINIMUM RH EXPECTED TODAY WITH
SOME IMPROVEMENT WEDNESDAY AFTERNOON.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTH 5
TO 6 MPH LATE IN THE AFTERNOON, THEN SHIFTING
TO THE SOUTHWEST AROUND 3 MPH LATE IN THE
AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 80 65 39 38 41 26 12 2 2 3 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............35 35 34 36 41 46 50 54 58 59 60 61
RH..............64 61 64 59 46 38 32 26 22 21 21 21
20 FT WIND DIR..NE NE NE NE NE NE NE N NE N NE SE
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 3 3
20 FT WIND GUST.6 6 6 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...1.3 1.2 1.2 1.7 2.2 2.5 3.2 3.7 4.2 4.5 4.7 4.9
TRANSP WIND DIR.NE NE NE E E E E E SE S S SW
TRANSP WIND SPD.10 9 8 9 7 7 6 5 6 5 5 3
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE
SOUTHEAST 6 TO 10 MPH EARLY IN THE EVENING.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 7 35 47 51 59 62 59 65 71 87 83
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 60 56 52 50 47 46 45 44 44 43 42
RH..............21 24 29 35 37 44 45 45 49 51 53 55
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..3 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.6 6 6 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...4.2 1.7 1.1 1.0 1.1 1.0 1.0 1.0 1.0 1.0 0.9 0.9
TRANSP WIND DIR.SW S SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.3 3 6 8 9 9 9 10 10 9 10 9
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH SHIFTING TO THE SOUTHWEST 6 TO
10 MPH IN THE AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........78 68 67 63 63 62 55 47 40 44 47 51
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............42 42 40 44 49 54 58 62 64 66 66 66
RH..............57 55 62 58 52 45 40 35 33 32 33 34
20 FT WIND DIR..SE SE SE E SE S S SW SW SW SW SW
20 FT WIND SPD..2 2 2 2 2 2 3 3 4 5 5 5
20 FT WIND GUST.6 5 5 5 5 6 6 7 8 8 8 8
MIX HGT (KFT)...0.9 0.9 0.9 1.2 1.6 2.2 3.0 3.8 4.5 4.7 4.6 4.1
TRANSP WIND DIR.SE S SE S S SW SW SW SW SW SW SW
TRANSP WIND SPD.8 7 7 6 5 5 6 7 8 9 10 10
FORECASTER...KERRIE SIMMONS
REQUESTED BY...MAXWELL WHITE
TYPE OF REQUEST...PRESCRIBED
.TAG 2606875.4/MRX
.DELDT 03/24/26
.FORMATTERVERSION 2.0.0
.EMAIL MAXWELL.WHITE@USDA.GOV
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