246
FOUS54 KMRX 181807
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
107 PM EST THU DEC 18 2025
TNZ017-190900-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
107 PM EST THU DEC 18 2025
DATE 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 42 25 56 36
TEMP 56 55 54 51 43 37 37 40 40 34 30 27 25 26 37 53 55 46 39 40 38 38
DEWPT 44 46 49 49 41 31 24 22 20 22 22 21 20 18 22 26 31 29 28 29 32 34
RH 64 72 83 93 93 79 59 48 44 61 72 78 81 71 54 35 40 51 64 64 79 85
WIND DIR SE SE S S W W W W W W SW S E E SE SW S S SW SW SW W
WIND SPD 9 10 11 12 17 14 17 17 12 4 2 1 1 1 2 3 3 4 3 4 4 3
WIND GUST 28
CLOUDS OV B2 B2 OV B1 B1 SC FW CL CL FW FW FW FW FW FW CL FW SC B2 B2 B1
POP 12HR 90 10 0 0 10
QPF 12HR 0.31 0 0 0 0
RAIN S
RAIN SHWRS C C L D
SPRINKLES S
WIND CHILL 35 29 27 31 33
MIN CHILL 28 25 28 26 23 27 35 33
DATE 12/21 MON 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 50 24 50 32 48 42 55 46 59
TEMP 48 37 27 24 47 41 34 35 45 46 45 44 53 52 49 48 57 55
DEWPT 31 22 20 18 21 23 22 24 36 40 45 44 51 49 47 48 52 50
PWIND DIR W N E SE SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC SC B1 B1 B2 B2 B2 OV B2 B2 B2 B2 B2 B2
POP 12HR 10 10 5 20 30 30 20 20 20
RAIN SHWRS S C C C C S S S S S
TNZ071-190900-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
107 PM EST THU DEC 18 2025
DATE 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 45 27 58 40
TEMP 56 57 58 51 43 38 38 43 44 37 33 30 28 28 38 53 57 50 46 46 43 42
DEWPT 45 49 52 47 39 28 23 24 23 25 25 24 22 21 26 29 32 29 30 34 37 39
RH 66 75 80 86 86 67 54 47 43 61 72 78 78 75 62 39 38 44 53 63 79 89
WIND DIR S S S SW SW SW W W W SW S SE E E SW SW SW SW SW SW SW W
WIND SPD 11 13 13 18 11 13 14 12 8 2 2 2 1 1 2 6 9 9 8 6 5 3
WIND GUST 29
CLOUDS OV B2 OV OV SC SC FW CL CL FW FW FW FW FW FW FW FW FW SC B2 B2 B1
POP 12HR 100 5 0 0 20
QPF 12HR 0.42 0 0 0 0
RAIN SHWRS C C D C S S S
TSTMS S
WIND CHILL 37 30 29 36
MIN CHILL 30 27 37 30 27 30 39
DATE 12/21 MON 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 54 30 52 36 54 47 62 50 63
TEMP 52 42 34 30 49 44 38 39 52 52 50 49 60 57 53 52 61 59
DEWPT 35 27 24 22 27 29 26 29 42 45 47 48 54 53 51 51 54 52
PWIND DIR N NE NE S SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS B1 FW SC SC SC SC SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 20 10 10 20 30 30 20 20 20
RAIN SHWRS S S S C S C C S S S S S
TNZ036-190900-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
107 PM EST THU DEC 18 2025
DATE 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 33 45 26 55 39
TEMP 56 55 56 48 41 35 37 43 43 35 32 29 27 27 37 51 55 49 44 44 41 40
DEWPT 46 50 54 44 37 26 23 22 21 24 24 23 22 22 26 28 31 29 32 35 37 38
RH 69 83 93 86 85 69 56 43 41 64 72 78 81 81 64 41 40 46 62 70 85 92
WIND DIR S S S SW SW W W W W W W E N E S SW SW SW SW SW SW W
WIND SPD 8 10 10 12 8 11 11 10 6 2 1 1 1 1 2 5 6 5 5 4 3 2
WIND GUST 17 17 17
CLOUDS OV OV OV B2 SC B1 FW CL CL FW FW FW FW FW FW FW FW FW SC B2 B2 B1
POP 12HR 90 5 0 0 20
QPF 12HR 0.39 0 0 0 0
RAIN SHWRS C C D C S S S
TSTMS S
WIND CHILL 27 29 37
MIN CHILL 27 24 35 29 26 30 38
DATE 12/21 MON 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 53 29 50 36 52 46 60 50 62
TEMP 51 40 33 29 47 42 38 40 50 50 48 48 58 56 52 52 60 58
DEWPT 32 26 23 21 26 29 26 29 42 45 47 47 54 53 52 51 54 53
PWIND DIR N NE SE SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 FW SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 20 10 10 20 30 30 10 20 20
RAIN SHWRS S S C S C C S S S S
TNZ099-190900-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
107 PM EST THU DEC 18 2025
DATE 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 36 50 29 58 42
TEMP 56 58 57 49 43 37 40 47 48 40 35 32 30 30 40 55 58 52 46 46 44 43
DEWPT 53 54 56 44 38 27 23 24 23 28 28 27 26 24 26 27 30 31 35 37 40 42
RH 90 86 96 83 82 67 50 40 37 62 75 81 85 78 57 34 34 44 65 71 86 96
WIND DIR S S S W W W W W W W N N N S S S S S S S SW N
WIND SPD 12 12 13 11 9 9 9 8 8 2 1 1 1 1 4 10 10 8 5 3 2 2
CLOUDS OV OV OV SC FW FW FW CL CL FW FW FW FW FW FW CL FW FW SC B2 B2 B1
POP 12HR 90 0 0 0 30
QPF 12HR 0.26 0 0 0 0
RAIN SHWRS L C L S C C S
TSTMS S S
WIND CHILL 30 34
MIN CHILL 30 29 32 29 32
DATE 12/21 MON 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 58 32 55 40 59 47 65 51 67
TEMP 56 46 37 32 52 49 42 41 54 54 49 49 63 60 54 52 65 61
DEWPT 38 30 26 25 26 28 27 29 41 48 49 49 55 56 54 52 55 55
PWIND DIR N NE SE S S S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC FW SC B1 B2 B1 B1 B2 B2 B1 B2 B2 B1 B1
POP 12HR 20 10 10 10 10 10 5 10 10
RAIN SHWRS S
NCZ060-190900-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
107 PM EST THU DEC 18 2025
DATE 12/18/25 FRI 12/19/25 SAT 12/20/25 SUN
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 33 46 26 58 36
TEMP 58 55 54 51 41 34 37 44 44 36 31 28 27 28 43 57 56 44 40 39 39 39
DEWPT 48 49 52 48 38 28 24 23 20 23 23 21 18 16 20 22 24 25 29 32 35 38
RH 69 80 93 89 89 78 59 43 38 59 72 75 68 60 39 25 29 47 64 76 85 96
MAX/MIN RH 96 38 75 25 96
WIND DIR SE SE S SW W W W NW NW NW N N N SE SE S S SE SE SE N NW
WIND DIR DEG 15 15 16 22 28 27 28 30 30 30 33 0 0 12 14 16 16 14 15 15 33 31
WIND SPD 11 10 11 11 11 10 11 11 9 2 1 0 0 1 3 5 5 3 2 1 1 1
CLOUDS OV OV OV OV SC FW FW CL FW FW FW FW FW FW FW FW FW FW FW B1 B2 B2
CLOUDS (%) 97 95 89 96 27 17 17 2 6 8 9 9 10 9 8 6 8 13 24 65 83 77
VSBY 6 7 5 7 10 10 10 10 10 10 10 10
POP 12HR 100 5 0 0 20
QPF 12HR 0.42 0 0 0 0.01
RAIN SHWRS L C D C S S S
TSTMS S S
WIND CHILL 34 26 29 38
MIN CHILL 26 24 34 28 26 32 39 39
CHANCETHUNDER 20 0 0 0 0
MAX MIX HGT
AGL MIX HGT 2800 2300
MAX VENT RT 47700 32700
T WIND DIR NW SE
T WIND SPD 16 11
ADI 47 33
MAX LVORI 5 3
STABILITY D D F C B G G C B F F
CEILING NONE NONE 23500 NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.71 27.62 27.80 27.88 27.98 27.99 27.99 27.96 27.96 27.99 28.02
DATE 12/21 MON 12/22/25 TUE 12/23/25 WED 12/24/25 THU 12/25/25
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 56 26 54 33 54 42 62 46 62
TEMP 54 42 32 27 53 41 35 35 52 50 45 44 59 56 49 48 60 56
DEWPT 38 27 23 20 22 22 21 25 42 43 44 44 52 50 49 48 53 50
PWIND DIR NW NE SE SE S S SW S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC FW FW SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR 20 10 10 20 20 20 10 20 20
RAIN SHWRS S S S S S S S S
THIS IS AN EXPERIMENTAL PRODUCT FOR PLANNING AND REVIEW PURPOSES ONLY, AND IS
NOT TO BE SUBSTITUTED FOR AN OFFICIAL FIRE WEATHER SPOT FORECAST
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