051
FNUS74 KMRX 181626
FWSMRX
SPOT FORECAST FOR VISITOR CONTACT STATION SETUP...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE MORRISTOWN TN
1226 PM EDT THU JUN 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON JUNE 22.
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
SCATTERED SHOWERS AND STORMS ARE EXPECTED THIS AFTERNOON AND INTO TONIGHT
BEFORE DECREASING EARLY TOMORROW. A FEW STRONG TO SEVERE STORMS, ALONG WITH
ISOLATED FLOODING IS POSSIBLE. ADDITIONALLY, BREEZY WINDS WITH GUSTS
TO 30 MPH WILL CONTINUE INTO THE EVENING HOURS. DRY WEATHER WITH
LOWER HUMIDITY LATER TOMORROW INTO SATURDAY. ADDITIONAL RAIN
CHANCES RETURN SUNDAY INTO MONDAY.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. SHOWERS
THROUGH THE DAY. CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........71 PERCENT.
SURFACE WINDS (MPH).SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO
AROUND 29 MPH.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 60 60 60 60 60 62 62 62 62
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC
TEMP............68 70 72 74 76 77 78 78 78 78
RH..............97 93 87 84 82 79 76 74 74 71
SURFACE WND DIR.SW SW SW SW W W W W W W
SURFACE WND SPD.9 11 14 15 15 15 14 13 13 11
SURFACE WND GST.22 25 28 29 28 26 24 23 22 22
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
THUNDERSTORMS IN THE EVENING. SHOWERS THROUGH
THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS
OVERNIGHT.
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).WEST WINDS 6 TO 11 MPH WITH GUSTS TO AROUND 22
MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT, THEN BECOMING WEST AROUND 6 MPH AFTER 3
AM.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........62 62 66 66 66 66 66 66 60 60 60 60
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC SCH SCH SCH SCH SCH SCH
TEMP............78 77 76 74 72 70 69 68 68 67 67 66
RH..............71 74 76 82 87 93 93 97 93 97 93 97
SURFACE WND DIR.W W W W W W W W W W W W
SURFACE WND SPD.11 10 10 9 9 8 8 6 5 5 6 6
SURFACE WND GST.22 22 22 22 22 21 18 16 14 14 14 15
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........54 PERCENT.
SURFACE WINDS (MPH).NORTHWEST WINDS AROUND 6 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING NORTHWEST
AROUND 6 MPH IN THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 60 57 57 57 57 57 57 40 40 40 40
WEATHER COV.....CHC 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........ SCH SCH SCH SCH
TEMP............65 65 65 67 69 72 74 76 77 79 80 81
RH..............100 100 100 93 84 76 71 64 62 58 56 54
SURFACE WND DIR.NW NW NW NW NW N NW NW NW NW NW W
SURFACE WND SPD.6 6 6 6 5 5 5 6 6 6 6 6
SURFACE WND GST.15 14 14 14 13 13 13 13 13 13 13 12
FORECASTER...SAM ROBERTS
REQUESTED BY...ASHLEY BURNS
TYPE OF REQUEST...OTHER
.TAG 2615768.0/MRX
.DELDT 06/22/26
.FORMATTERVERSION 2.0.0
.EMAIL ASHLEY_BURNS@NPS.GOV
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